Taxonomic Section

Oecobius annulipes   Lucas

Size: 2-3 mm
General Distribution: Pantropical, California and Oregon to Texas, Florida north to New York and south into Mexico in North America.
Distribution in Area Covered: AZ: Cochise, Pima; TX: Persidio?
Habitat: Walls of buildings.
Adults Present: Throughout year.
Notes: Common tiny spiders that build small sheet webs. Collected at 2400' in Santa Catalina Mountains by Beatty (1961).
Records: Beatty 1961, Shear 1970.
Reference: Beatty 1961, Shear 1970.

Oecobius cellariorum   (Dugás)

Size: 2.5-3 mm.
General Distribution: Western New Mexico through Texas to Oklahoma, Arkansas and NE to Maryland and North Carolina. Absent from most of O. annulipes range.
Distribution in Area Covered: AZ: Cochise; NM: Doña Ana.
Habitat: Human habitations.
Adults Present: Females throughout year, males June-August.
Notes: Similar to above species.
Records: Shear 1970.
Reference: Shear 1970.

Oecobius isolatoides   Shear

Size: 1.8-2.0 mm.
General Distribution: Northern Sinaloa, N to southern Arizona.
Distribution in Area Covered: AZ: Maricopa?, Pima.
Habitat: Thorn scrub and desert foothills.
Adults Present: April-August.
Notes: Unlike most species, this is a native. Collected at 2850' at edge of Tucson Mountains by Beatty (1961).
Records: Beatty 1961, Shear 1970.
Reference: Beatty 1961, Shear 1970.

Oecobius isolatus   Chamberlin

Size: 2-2.5 mm.
General Distribution: Baja California N to Utah.
Distribution in Area Covered: AZ: Mohave, Yuma.
Habitat:
Adults Present:
Notes: Apparently native, but nothing published on habitat.
Records: Shear 1970.
Reference: Shear 1970.

Oecobius putus   O. P.-Cambridge

Size: 2.5-3.2 mm.
General Distribution: Africa, India, Southern California, southern Arizona, western New Mexico, SW Texas, south into Mexico.
Distribution in Area Covered: AZ: Cochise, Maricopa, Pima, Yuma; NM: Grant: TX: Brewster, El Paso
Adults Present: January-August.
Habitat: Buildings.
Notes: Similar to above species. Collected at 2300-2400' in Santa Catalina Mountains by Beatty (1961).
Records: Beatty 1961, Shear 1970, Dean 1996.
Reference: Beatty 1961, Shear 1970, Dean 1996.

Ero furcata   Keyserling

Size:
General Distribution: Widespread.
Distribution in Area Covered: Widespread?
Habitat:
Adults Present:
Notes:
Records: ??
Reference:

Mimetus epeiroides   Chamberlin

Size: Male 3.4 mm, female 4.4-4.7 mm.
General Distribution: Widespread?
Distribution in Area Covered: Widespread?
Habitat: Webs of other spiders.
Adults Present:
Notes: Araneophageous.
Records: ??
Reference:

Mimetus hesperus   Chamberlin

Size: Male 3.5-4.5 mm, female 4.0-6.3 mm.
General Distribution:
Distribution in Area Covered: AZ: Cochise, Pima, Yuma; NM: Doña Ana, Grant; TX: Culberson.
Habitat: Webs of other spiders.
Adults Present:
Notes: Araneophageous. Collected at 2400-6000' in Santa Catalina Mountains by Beatty (1961)
Records: Beatty 1961, Muma 1980, Dean 1996, Roth 1996.
Reference: Beatty 1961, Muma 1980, Dean 1996, Roth 1996.

Mimetus notius   Chamberlin

Size:
General Distribution: Texas.
Distribution in Area Covered: TX: Terrell.
Habitat: Webs of other spiders.
Adults Present:
Notes: Araneophageous.
Records: Vogel 1970.
Reference: Vogel 1970.

Mimetus puritanus   Chamberlin

Size: Male 4-4.5 mm, female 5-5.6 mm.
General Distribution: Texas.
Distribution in Area Covered: TX: Culberson
Habitat: Webs of other spiders.
Adults Present:
Notes: Araneophageous.
Records: Dean 1996.
Reference: Dean 1996.

Mimetus   n. sp. 1

Size:
General Distribution:
Distribution in Area Covered: AZ: Cochise.
Habitat: Webs of other spiders.
Adults Present:
Notes: Araneophageous.
Records: Roth 1996.
Reference: Roth 1996.

Mimetus   n. sp. 2

Size:
General Distribution:
Distribution in Area Covered: AZ: Cochise.
Habitat: Webs of other spiders.
Adults Present:
Notes: Araneophageous.
Records: Roth 1996.
Reference: Roth 1996.

Hyptiotes puebla   Muma & Gertsch

Size: 2.8-5 mm.
General Distribution: Southwestern United States from Utah S to Arizona, New Mexico and West Texas.
Distribution in Area Covered: AZ: Cochise, Coconino, Gila, Pima; NM: Lincoln, Otero; TX: Brewster.
Habitat:
Adults Present: August-November.
Notes: Collected at 6000-8000' in Santa Catalina Mountains by Beatty (1961).
Records: Beatty 1961, Muma and Gertsch 1964, Vogel 1970, Dean 1996, Roth 1996.
Reference: Beatty 1961, Muma and Gertsch 1964, Vogel 1970, Dean 1996, Roth 1996.

Philoponella arizonica   (Gertsch) (= Uloborus arizonicus Gertsch)

Size:
General Distribution: Arizona.
Distribution in Area Covered: AZ: Pima.
Habitat:
Adults Present:
Notes: Collected at 2720-4450' in Santa Catalina Mountains by Beatty (1961).
Records: Beatty 1961.
Reference: Beatty 1961.

Philoponella oweni   (Chamberlin) (= Uloborus o. Chamberlin)

Size: 3.4-5.7 mm.
General Distribution: Southwestern United States and northwestern Mexico.
Distribution in Area Covered: AZ: Apache (Whiteriver, Showlow)?, Cochise, Coconino? (Oak Creek ) Graham, Pima, Santa Cruz, NM: Hidalgo, Sierra.
Habitat:
Adults Present: May-October.
Notes: Collected at 4300-6000' in Santa Catalina Mountains by Beatty (1961).
Records: Beatty 1961, Muma and Gertsch 1964, Dean 1996, Roth 1996, NMSU collection.
Reference: Beatty 1961, Muma and Gertsch 1964, Dean 1996, Roth 1996.

Siratoba referens   (Muma & Gertsch) (= Ariston r.)

Size: 2.5-3 mm.
General Distribution: Arizona, New Mexico.
Distribution in Area Covered: AZ: Cochise; NM: Bernalillo.
Habitat:
Adults Present: August-September.
Notes:
Records: Muma and Gertsch 1964, Roth 1996.
Reference: Muma and Gertsch 1964, Roth 1996.

Uloborus diversus   Marx

Size: 2.1-4.7 mm.
General Distribution: Oregon and Utah to eastern Arizona south into western Mexico.
Distribution in Area Covered: AZ: Cochise, Maricopa, Pima, Santa Cruz, Yuma.
Habitat:
Adults Present: June?
Notes: Collected at 2750-6000' in Santa Catalina Mountains by Beatty (1961).
Records: Beatty 1961, Muma and Gertsch 1964, Roth 1996.
Reference: Beatty 1961, Muma and Gertsch 1964, Roth 1996.

Uloborus glomosus   Walckenaer

Size: 7-8 mm.
General Distribution: Eastern United States to Texas and S. into Mexico.
Distribution in Area Covered: NM: Doña Ana; TX: Brewster, Presidio.
Habitat:
Adults Present:
Notes:
Records: Muma and Gertsch 1964, NMSU collection, Texas A & M.
Reference: Muma and Gertsch 1964.

Uloborus segregatus   Gertsch

Size:
General Distribution:
Distribution in Area Covered: AZ: Cochise.
Habitat:
Adults Present:
Notes:
Records: Roth 1996.
Reference: Roth 1996.

Eidmanella bullata   Gertsch

Size: 2.5 mm.
General Distribution: Culberson Co., Texas.
Distribution in Area Covered: TX: Culberson.
Habitat: Caves.
Adults Present: June.
Notes:
Records: Gertsch 1984, Dean 1996.
Reference: Gertsch 1984, Dean 1996.

Eidmanella delicata   Gertsch

Size: 2.7 mm.
General Distribution: Known only from Ladder Cave, Val Verde Co., Texas.
Distribution in Area Covered: TX: Val Verde.
Habitat: Caves.
Adults Present: April-August.
Notes:
Records: Gertsch 1984.
Reference: Gertsch 1984.

Eidmanella pallida   (Emerton)

Size: 2.2-4 mm.
General Distribution: New England S. to Florida and W to California.
Distribution in Area Covered: AZ: Cochise , Yuma NM: DeBaca, Eddy, Otero.
Habitat: Caves.
Adults Present:
Notes:
Records: Gertsch 1984, Roth 1996, NMSU collection.
References: Gertsch 1984, Roth 1996.

Eidmanella rostrata   Gertsch

Size: 2.5-2.7 mm.
General Distribution: Central to West Texas.
Distribution in Area Covered: TX: Terrell, Val Verde.
Habitat: Caves.
Adults Present:
Notes:
Records: Gertsch 1984.
Reference: Gertsch 1984.

Eidmannella tuckeri   Cockendolpher & Reddell

Size: Female 2.23 mm, male unknown mm.
General Distribution: West Texas.
Distribution in Area Covered: TX: Jeff Davis.
Habitat: Caves.
Adults Present: October
Notes:
Records: Cockendolpher & Reddell 2001.
Reference: Cockendolpher & Reddell 2001.

Anelosimus analyticus   (Chamberlin)

Size: Male 2.5-2.8 mm, female 3.2-4.4 mm.
General Distribution: Southern California to Baja California, Sonora and Colima, Mexico.
Distribution in Area Covered: No records for Arizona, New Mexico or Texas, but one record only 27 mi. south of Nogales.
Habitat: ?
Adults Present: ?
Notes:
Records: Levi 1956.
Reference: Levi 1956.

Argyrodes pluto   (Banks)

Size: Male 3.7 mm, female3.9 mm.
General Distribution: Maryland and Virginia, southwest to Arizona, New Mexico, Texas and Chihuahua, Mexico.
Distribution in Area Covered: AZ: Pima; NM: Hidalgo; TX: Brewster.
Habitat: Webs of other spiders, especially Latrodectus, Metepeira, Araneus, and Argiope.
Adults Present: ?
Notes:
Records: Exline & Levi 1962, Vogel 1970, Dean 1996, NMSU collection.
Reference: Exline & Levi 1962, Vogel 1970, Dean 1996.

Asagena (=Steatoda) americana   (Emerton)

Size: Male 3.2-4.4 mm, female 3.5-4.7 mm.
General Distribution: United States, except California and Oregon, and southern Canada south to Hidalgo, Mexico.
Distribution in Area Covered: AZ: Cochise, Mohave; NM: Catron, Otero.
Habitat: Under stones, loose bark, in leaf litter and in moss, occasionally in vegetation.
Adults Present: ?
Notes:
Records: Levi 1957, Roth 1996.
Reference: Levi 1957, Roth 1996.

Asagena (=Steatoda) fulva   (Keyserling)

Size: Male 5.0 mm, female 4.7 mm.
General Distribution: Southern and western United States south to central Mexico.
Distribution in Area Covered: AZ: Cochise, Coconino, Maricopa, Pima, Pinal, Santa Cruz, Yuma; NM: Doña Ana, Hidalgo; TX: Brewster, El Paso, Hudspeth.
Habitat: Stones and houses, grass and peanuts.
Adults Present: Male March, August, September; female July, September.
Notes: Collected at 2400' in Santa Catalina Mountains by Beatty (1961).
Records: Levi 1957, Gertsch 1960, Beatty 1961, Dean 1996, Roth 1996, NMSU collection.
Reference: Levi 1957, Gertsch 1960, Beatty 1961, Dean 1996, Roth 1996.

Asagena (=Steatoda) medialis   (Banks)

Size: Male 3-4 mm, female 4.3-5.5 mm.
General Distribution: California and Arizona to Texas south to Sinaloa, Mexico.
Distribution in Area Covered: AZ: Maricopa, Pima, Yuma; TX: El Paso, Hudspeth, Jeff Davis, Presidio, Terrell.
Habitat: Under stones in hot, dry deserts.
Adults Present: January-September.
Notes: Collected at 2800' in the Santa Catalina Mountains by Beatty (1961).
Records: Levi 1957, Gertsch 1960, Beatty 1961, Vogel 1970, Dean 1996.
Reference: Levi 1957, Gertsch 1960, Beatty 1961, Vogel 1970, Dean 1996.

Asagena (=Steatoda) pulcher   (Keyserling)

Size:
General Distribution: Texas.
Distribution in Area Covered: TX: Brewster, Terrell.
Habitat: Grass, under rock.
Adults Present: March.
Notes:
Records: Levi 1957, Vogel 1970, Dean 1996.
Reference: Levi 1957, Vogel 1970, Dean 1996.

Canalidion (=Theridion) montanum   (Emerton)

Size: Male 2.2-2.6 mm, female 2.7-3.6 mm.
General Distribution: Canada and northern United States and Rocky Mountains to Utah and northern New Mexico.
Distribution in Area Covered: NM:Taos.
Habitat: 8700 ft.
Adults Present: ?
Notes:
Records: Levi 1957.
Reference: Levi 1957.

Chrosiothes chirica   (Levi) (= Theridiotis c.)

Size: Male1.6 mm, female 2.6-3.0 mm.
General Distribution: Colorado and Arizona south to Distrito Federal, Mexico.
Distribution in Area Covered: AZ: Apache, Cochise, Pima, Santa Cruz.
Habitat: ?
Adults Present: April, June-July, September.
Notes:
Records: Levi 1954, Roth 1996.
Reference: Levi 1954, Roth 1996.

Chrosiothes portalensis   Levi

Size: Male 1.1 mm, female 2.7 mm
General Distribution:
Distribution in Area Covered: AZ: Cochise.
Habitat: ?
Adults Present: July-August
Notes:
Records: Levi 1964, Roth 1996.
Reference: Levi 1964, Roth 1996.

Coleosoma normale   Bryant

Size:
General Distribution: North Carolina and Florida, west to Arizona and south to Venezuela.
Distribution in Area Covered: AZ: Mohave, Yuma.
Habitat:?
Adults Present: ?
Notes:
Records: Levi 1959.
Reference: Levi 1959.

Crustulina stricta   (O. P.-Cambridge)

General Distribution: England and parts of France, United States to Alaska.
Distribution in Area Covered: AZ: Coconino.
Habitat:
Adults Present:
Notes:
Records: Levi 1957.
Reference: Levi 1957.

Cryptachaea (= Archaearanea) canionis   (Chamberlin & Gertsch)

Size:
General Distribution: Utah south to southern California, Arizona and Texas.
Distribution in Area Covered: AZ: Cochise, Pinal?, Yavapai; TX : Culberson.
Habitat:
Adults Present:
Notes:
Records: Levi 1963, Dean 1996, Roth 1996, NMSU collection.
Reference: Levi 1963, Dean 1996, Roth 1996.

Cryptachaea (=Achaearanea) chiricahua   (Levi)

Size: Male 2.4 mm,??female ?
General Distribution: Chiricahua and Santa Catalina Mountains of Arizona.
Distribution in Area Covered: AZ: Cochise, Pima.
Habitat: Under rocks in openings of ponderosa pine and oak forest.
Adults Present: June.
Notes: Collected at 7200' in the Santa Catalina Mountains by Beatty (1961).
Records: Beatty 1961, Levi 1963, Roth 1996.
Reference: Beatty 1961, Levi 1963, Roth 1996.

Cryptachaea (=Achaearanea) porteri   (Banks)

Size:
General Distribution:
Distribution in Area Covered: TX: Culberson, Pecos, Terrell, Val Verde
Habitat:
Adults Present: May, July, September.
Notes: Collected at 2400-3500' in Santa Catalina Mountains by Beatty (1961).
Records: Beatty 1961, Levi 1963.
Reference: Beatty 1961, Levi 1963.

Dipoena abdita   Gertsch & Mulaik

Size: Male 1.4-1.8 mm, female 1.9-2.6 mm.
General Distribution: Southern United States to California, south into Mexico and east to the West Indies.
Distribution in Area Covered: AZ: Pima, "Sacaton"?; NM: Otero.
Habitat: ?
Adults Present:?
Notes:
Records: Levi 1953.
Reference: Levi 1953.

Dipoena bucalis   Keyserling

ize: Male 1.4-1.8 mm, female 1.9-2.6 mm.
General Distribution: Southern United States to California, south into Mexico and east to the West Indies.
Distribution in Area Covered: AZ: Maricopa
Habitat: ?
Adults Present: ?
Notes:
Records: Levi 1963.
Reference: Levi 1963.

Dipoena cathedralis   Levi

Size: Male1.2 mm, female not known.
General Distribution: Brewster County, Texas.
Distribution in Area Covered: TX: Brewster, Jeff Davis.
Habitat:
Adults Present:
Notes:
Records: Levi 1953, Dean 1996.
Reference: Levi 1953, Dean 1996.

Dipoena chathami   Levi

neral Distribution: Arizona.
Distribution in Area Covered: AZ: Yuma.
Habitat:
Adults Present:
Notes:
Records: ??
Reference:

Dipoena dorsata   Muma

Size: Male not known, female1.6-1.8 mm.
General Distribution: Florida to Arizona.
Distribution in Area Covered: AZ: Cochise, Pima.
Habitat: ?
Adults Present: ?
Notes:
Records: Levi 1953, Roth 1996.
Reference: Levi 1953, Roth 1996.

Dipoena malkini   Levi

Size: Male 2.1-2.3 mm, female1.5-3.0 mm.
General Distribution: Southwestern United States and the Pacific Coast.
Distribution in Area Covered: AZ: Cochise, Pima, "Miami"; NM: Cebola ?
Habitat: ?
Adults Present: ?
Notes: Collected at 6000' in Santa Catalina Mountains by Beatty (1961).
Records: Levi 1953, Beatty 1961, Roth 1996.
Reference: Levi 1953, Beatty 1961, Roth 1996.

Dipoena nigra   (Emerton)

Size: Male 1.3-2.0 mm, female 2.1-4.3 mm
General Distribution: Southern Canada and the entire United States.
Distribution in Area Covered: AZ: Pima, Yuma, "Whiteriver", "Williams"; NM: Bernalillo, Sandoval.
Habitat: ?
Adults Present: ?
Notes: Collected at 2700-6000' in Santa Catalina Mountains by Beatty (1961).
Records: Levi 1953, Beatty 1961.
Reference: Levi 1953, Beatty 1961.

Dipoena rita   Levi

Size: Male not known, female 2.3 mm.
General Distribution: Santa Rita Mountains of Arizona.
Distribution in Area Covered: AZ: Santa Cruz ?
Habitat: ?
Adults Present: ?
Notes:
Records: Levi 1953.
Reference: Levi 1953.

Dipoena sulfurica   Levi

Size: Male 2.8 mm, female 3.0-3.7 mm.
General Distribution: Chiricahua Mountains of Arizona and Jemez Mountains of New Mexico.
Distribution in Area Covered: AZ: Cochise; NM: Sandoval.
Habitat: ?
Adults Present: ?
Notes:
Records: Levi 1953, Roth 1996.
Reference: Levi 1953, Roth 1996.

Emertonella taczanowskii   Keyserling

Size:
General Distribution:
Distribution in Area Covered: NM:
Habitat:
Adults Present:
Notes:
Records:
Reference:

Enoplognatha intrepida   (Sørensen)

Size: Male 2.9-3.9 mm, female 2.9-5.0 mm.
General Distribution: Alaska to Greenland south to Minnesota and Pennsylvania, and above timberline in Rocky Mountains
Distribution in Area Covered: NM: Taos ? (Penitente Peak).
Habitat: ?
Adults Present: ?
Notes:
Records: Levi 1957.
Reference: Levi 1957.

Enoplognatha joshua   Chamberlin & Ivie

Size: Male 2.9-3.9 mm, female 2.9-5.0 mm.
General Distribution:
Distribution in Area Covered: AZ: ?, N M: Sandoval.
Habitat: ?
Adults Present: ?
Notes:
Records: Levi 1957.
Reference: Levi 1957.

Enoplognatha maricopa   Levi

Size: Male 2.9-3.9 mm, female 2.9-5.0 mm.
General Distribution:
Distribution in Area Covered: AZ: Maricopa
Habitat: ?
Adults Present: Male in March.
Notes:
Records: Levi 1962.
Reference: Levi 1962.

Enoplognatha mormorata   (Hentz)

Size: Male 4.0-6.4 mm, female 3.9-7.0 mm.
General Distribution: Southern Canada to Nova Scotia, United States south to Georgia, Texas, New Mexico, Arizona and California.
Distribution in Area Covered: AZ: Coconino; NM: Otero.
Habitat: ?
Adults Present: ?
Notes:
Records: Levi 1957.
Reference: Levi 1957.

Euryopis californica   Banks

Size:
General Distribution: California, western Arizona.
Distribution in Area Covered: AZ: Yuma.
Habitat: ?
Adults Present: ?
Notes:
Records:
Reference:

Euryopis lineatipes   O. Pickard-Cambridge

Size:
General Distribution: Texas.
Distribution in Area Covered: TX: Presidio.
Habitat: ?
Adults Present: ?
Notes:
Records: Levi 1954, Vogel 1970.
Reference: Levi 1954, Vogel 1970.

Euryopis mulaiki   Levi

Size: Male 1.7 mm, female not known.
General Distribution: Arizona., New Mexico and Texas.
Distribution in Area Covered: AZ: State record only; NM: Doña Ana.
Habitat: Desert.
Adults Present: ?
Notes:
Records: Levi 1954, NMSU Arthropod Museum.
Reference: Levi 1954.

Euryopis scriptipes   Banks

Size: Male 3-4 mm, female 4-6 mm.
General Distribution:Rocky Mountain Region from Canada, south into Mexico.
Distribution in Area Covered: AZ: Apache, Cochise, Coconino, Graham, Pima, Santa Cruz, Yavapai; NM: Catron, Doña Ana, Hidalgo, Otero, Sandoval, San Miguel; TX: Presidio?
Habitat: ?
Adults Present: ?
Notes: Collected at 6000-7500' in Santa Catalina Mountains by Beatty (1961).
Records: Levi 1954, Beatty 1961, Roth 1996, NMSU Arthropod Museum, UNM collections.
Reference: Levi 1954, Beatty 1961, Roth 1996.

Euryopis spinigera   O. P.-Cambridge

Size: ? 1.8 mm,? 1.3-2.3 mm.
General Distribution: Texas, Utah, Arizona and California, south to Panama.
Distribution in Area Covered: AZ: Cochise, Coconino, Pima; NM: "Mimbres Mts.", TX: Jeff Davis, Reeves.
Habitat: Riparian areas?
Adults Present: Male April, July, October, December, female February, October.
Notes: Collected at 6000-8000' in Santa Catalina Mountains by Beatty (1961).
Records: Levi 1954, Beatty 1961, Vogel 1970, Dean 1996, Roth 1996.
Reference: Levi 1954, Beatty 1961, Vogel 1970, Dean 1996, Roth 1996.

Euryopis texana   Banks

Size: ? 2.7 mm,? 3.5-4.0 mm.
General Distribution: Southern Arizona, east to New Mexico and Texas, south to northern Mexico.
Distribution in Area Covered: AZ: Cochise, Pima, Santa Cruz; NM: Doña Ana; TX: Brewster, Presidio, Val Verde.
Habitat: Peanuts.
Adults Present: Male March, July, August; female February-October, December.
Notes:
Records: Levi 1954, Dean 1996, Roth 1996, NMSU collection.
Reference: Levi 1954, Dean 1996, Roth 1996.

Euryopis   sp.

Size:
General Distribution: Southeastern Arizona
Distribution in Area Covered: AZ: Cochise.
Habitat: ?
Adults Present: ?
Notes:
Records: Roth 1996.
Reference: Roth 1996.

Faiditus (=Argyrodes) subdolus   (O. P.-Cambridge)

Size: Male 2.8 mm, female2.6 mm.
General Distribution: Texas, Arizona, Mexico, south to Gutemala.
Distribution in Area Covered: AZ: Santa Cruz.
Habitat: Probably webs of other spiders.
Adults Present: ?
Notes:
Records: Exline & Levi 1962.
Reference: Exline & Levi 1962.

Hentziectypus (=Achaearanea) schulleri   (Gertsch & Mulaik)

Size:
General Distribution: Northern Florida to southern California, south to south-central Mexico.
Distribution in Area Covered: AZ: Pima, Yuma.
Habitat:
Adults Present: May, July, September.
Notes: Collected at 2400-3500' in Santa Catalina Mountains by Beatty (1961).
Records: Beatty 1961, Levi 1963.
Reference: Beatty 1961, Levi 1963.

Lasaeola prona   (Menge)

Size:
General Distribution:
Distribution in Area Covered: TX:
Habitat: ?
Adults Present: ?
Notes:
Records: Roth 1996.
Reference: Roth 1996.

Latrodectus geometricus   C. L. Koch

Size:
General Distribution: Southern United States from Florida and Georgia west to Central Texas and Oklahoma, and from California to Arizona? May also be present in New Mexico, but so far all "brown widows" have proven to be color variants of Latrodectus hesperus.
Distribution in Area Covered: AZ: Reported from Maricopa County
Habitat: Webs in association with human habitation
Adults Present: Probably year around.
Notes: The brown widow. Egg sacs tufted with silk as opposed to the black widow species, which have smooth sacs.
Records:
Reference:

Latrodectus hesperus   Chamberlin & Ivie

Size:General Distribution: Western United States from central Texas to Pacific Coast.
Distribution in Area Covered: Probably throughout area.
Habitat: Webs in animal burrows, trash, old and new buildings, overhangs.
Adults Present: Probably year around.
Notes: Western black widow. Collected at 2300-6700' in Santa Catalina Mountains by Beatty (1961), but known from sea level to at least 7000'.
Records: Beatty 1961, Kaston 1970, Dean 1996, Roth 1996, NMSU collection (many specimens).
Reference: Beatty 1961, Kaston 1970, Dean 1996, Roth 1996.

Latrodectus mactans   (Fabricius)

Size:
General Distribution: Eastern United States from New York south to Florida and Texas.
Distribution in Area Covered: TX: Counties along Pecos in south?
Habitat: Webs in animal burrows, trash.
Adults Present: Probably year around.
Notes:
Eastern black widow. Records: Kaston 1970, Dean 1996.
Reference: Kaston 1970, Dean 1996.

Latrodectus variolus   Walckenaer

Size:
General Distribution: Eastern United States and Canada from Ontario south to Florida and Texas.
Distribution in Area Covered: W TX: Brewster, Pecos, Terrell
Habitat: Webs in shrubs and trees
Adults Present: Probably year around.
Notes:
Records: Kaston 1970, Dean 1996, Texas A & M.
Reference: Kaston 1970, Dean 1996.

Neospintharus (=Argyrodes) baboquivari   (Exline & Levi)

Size: Male 3.5 mm, female 3.7 mm.
General Distribution: Southeastern Arizona, Chihuahua and Sonora, Mexico.
Distribution in Area Covered: AZ: Cochise, Graham, Pima.
Habitat: Webs of other spiders, especially Latrodectus, Diguetia, Theridion and Uloborus.
Adults Present:
Notes: Collected at 4300-5900' in the Santa Catalina Mountains by Beatty (1961).
Records: Beatty 1961, Exline & Levi 1962, Roth 1996, NMSU collection.
Reference: Beatty 1961, Exline & Levi 1962, Roth 1996.

Parasteatoda (=Achaearanea) tepidariorum   (C. L. Koch)

Size
General Distribution: Cosmopolitan, probably introduced.
Distribution in Area Covered: AZ: Yuma; NM: Doña Ana.
Habitat: In houses.
Adults Present: Year around.
Notes:
Records: Levi 1963, NMSU collection.
Reference: Levi 1963.

Platnickia (=Theridion) alabamense   (Gertsch & Archer)

Size:
General Distribution:
Distribution in Area Covered: NM: Santa Fe.
Habitat: Pinyon-Juniper
Adults Present:
Notes:
Records: UNM.
Reference:

Rhomphaea (=Argyrodes) fictillum   (Hentz)

Size:
General Distribution:
Distribution in Area Covered: AZ: Cochise.
Habitat: Webs of other spiders.
Adults Present:
Notes:
Records: Exline & Levi 1962, Roth 1996.
Reference: Exline & Levi 1962, Roth 1996.

Steatoda alamosa   Gertsch

Size: Male 3 mm, female 3-5 mm.
General Distribution: Southwestern Texas and adjacent Mexico.
Distribution in Area Covered: TX: Brewster, Jeff Davis, Terrell.
Habitat: To 8200 ft.
Adults Present: June-September, December.
Notes:
Records: Gertsch 1960, Vogel 1970.
Reference: Gertsch 1960, Vogel 1970.

Steatoda albomaculata   (De Geer)

Size: Male 4.3-6.8 mm, female 4.0-8.0 mm.
General Distribution: Southern England, Europe, North Africa, Siberia, China, Kamchatka, western and northern United States to southern Canada and northern Mexico (Chihuahua).
Distribution in Area Covered: AZ: Coconino, Navajo, Pima; NM: Catron, Otero, San Miguel; TX: Brewster, El Paso, Hudspeth.
Habitat: Under stones up to timberline.
Adults Present:
Notes:
Records: Levi 1957.
Reference: Levi 1957.

Steatoda apacheana   Gertsch

Size: Male 4.5 mm, female 4.5-6 mm.
General Distribution: Arizona and New Mexico.
Distribution in Area Covered: AZ: Cochise, Coconino, Pima, Yavapai; NM: Bernalillo, Otero.
Habitat: ?
Adults Present: June-August.
Notes: Collected at 6700' in Santa Catalina Mountains by Beatty (1961).
Records: Gertsch 1960, Beatty 1961, NMSU, UNM collections.
Reference: Gertsch 1960, Beatty 1961.

Steatoda grandis   Banks

Size: Male 4.3-7.4 mm, female 4.9-9.0 mm.
General Distribution: Western United States.
Distribution in Area Covered: AZ: Apache, Cochise, Coconino, Gila, Graham, Pima, Santa Cruz, Yavapai; NM: Colfax, Bernalillo, Catron, Lincoln, Santa Fe, Valencia.
Habitat: Under stones and in cliffs, 7000-8000 ft.
Adults Present: ?
Notes: Collected at 6000-9100' in Santa Catalina Mountains by Beatty (1961).
Records: Levi 1957, Beatty 1961, Roth 1996.
Reference: Levi 1957, Beatty 1961, Roth 1996.

Steatoda grossa   C. L. Koch

Size:
General Distribution: Widespread
Distribution in Area Covered: AZ: Yuma; NM:Doña Ana.
Habitat:
Adults Present: ?
Notes:
Records: Roth Unpublished list.
Reference: Roth Unpublished list.

Steatoda mexicana   Levi

Size: Male 4.8-5.7 mm, female 5.1-9.0 mm.
General Distribution: Idaho south to Arizona and Texas and Guerrero, Mexico.
Distribution in Area Covered: AZ: Cochise, Coconino, Graham, Pima, Santa Cruz; NM: Otero; TX: Brewster.
Habitat: ?
Adults Present: ? October.
Notes: Collected at 7500' in Santa Catalina Mountains by Beatty (1961).
Records: Levi 1957, Beatty 1961, Dean 1996, Roth 1996.
Reference: Levi 1957, Beatty 1961, Dean 1996, Roth 1996.

Steatoda punctulata   (Marx)

Size: Male 3.4 mm, female 3.5-5.0 mm.
General Distribution: Southern Texas and southeastern Arizona south to Tamaulipas and west to Nayarit and Baja California Sur, Mexico.
Distribution in Area Covered: AZ: Cochise, Pima, Santa Cruz; W TX: Terrell.
Habitat: Foothills.
Adults Present: February-December (Probably all year).
Notes: Collected at 7500' in Santa Catalina Mountains by Beatty (1961).
Records: Gertsch 1960, Beatty 1961.
Reference: Gertsch 1960, Beatty 1961.

Steatoda transversa   (Banks)

Size: ? 3.1 mm,? 4.3 mm.
General Distribution: Southern California and Texas to southern Mexico.
Distribution in Area Covered: AZ: Yuma.
Habitat: Alfalfa field.
Adults Present:
Notes:
Records: Levi 1957.
Reference: Levi 1957.

Steatoda triangulosa   (Walckenaer)

Size:
General Distribution:
Distribution in Area Covered: NM:
Habitat: Alfalfa field.
Adults Present:
Notes:
Records:
Reference:

Steatoda variata   Gertsch

Size: Male 4 mm, female 2-6 mm.
General Distribution:Utah and Wyoming, south through Arizona and western Texas into Mexico.
Distribution in Area Covered: AZ: Cochise, Coconino, Pima, Santa Cruz, Yavapai; NM: Bernalillo, Cibola, Doña Ana, Eddy, Luna; TX: El Paso, Hudspeth, Jeff Davis, Presidio, Reeves.
Habitat: To 7000'
Adults Present: May-September.
Notes:
Records: Gertsch 1960, Vogel 1970, NMSU collection.
Reference: Gertsch 1960, Vogel 1970.

Steatoda washona   Gertsch

Size: Male 3-7 mm, female 3.5-6.0 mm.
General Distribution:Oregon and California, south in the mountains to Baja California Norte and east into Idaho, Utah and northern Arizona.
Distribution in Area Covered: AZ: Coconino.
Habitat: Mountains.
Adults Present: April-September, November.
Notes:
Records: Gertsch 1960.
Reference: Gertsch 1960.

Styposis ajo   Levi

Size: Male not known, female 1.6 mm.
General Distribution: Southern Arizona.
Distribution in Area Covered: AZ: Pima.
Habitat: Desert.
Adults Present:
Notes:
Records: Levi 1960.
Reference: Levi 1960.

Theridion aeolium   Levi

Size:
General Distribution: Arizona.
Distribution in Area Covered: AZ: Pima.
Habitat:
Adults Present:
Notes: Collected at 6000 in Santa Catalina Mountains by Beatty (1961).
Records: Levi (date?), Beatty 1961.
Reference: Levi (date?), Beatty 1961.

Theridion arizonense   Levi

Size: Male 2.2 mm, female not known.
General Distribution: Arizona.
Distribution in Area Covered: AZ: Cochise, Pima.
Habitat:
Adults Present:
Notes: Collected at 7500-8300' in Santa Catalina Mountains by Beatty (1961).
Records: Levi 1957, 1969, Beatty 1961, Roth 1996.
Reference: Levi 1957, 1969, Beatty 1961, Roth 1996.

Theridion cochise   Levi

Size: Male not known, female 3.8 mm.
General Distribution: Arizona.
Distribution in Area Covered: AZ: Cochise.
Habitat:
Adults Present:
Notes:
Records: Levi 1963, 1969, Roth 1996.
Reference: Levi 1963, 1969, Roth 1996.

Theridion dilutum   Levi

Size: Male 2.0-2.8 mm, female 2.0-2.9 mm.
General Distribution: Utah to southern California and Texas, south to Nayarit, Mexico.
Distribution in Area Covered: AZ: Gila, Maricopa, Mohave, Pima, Yuma: W TX: Val Verde.
Habitat: ?
Adults Present:
Notes: Collected at 2700' in Santa Catalina Mountains by Beatty (1961)
Records: Levi 1957, Beatty 1961, Roth unpublished list.
Reference: Levi 1957, Beatty 1961, Roth unpublished list.

Theridion frondeum   Hentz

Size: Male 3.0-3.9 mm, female 3.0-4.2 mm.
General Distribution:Southern Canada, northeastern United States, California, Washington and Arizona.
Distribution in Area Covered: AZ: Pima.
Habitat: ?.
Adults Present:
Notes:
Records: Levi 1957.
Reference: Levi 1957.

Theridion gemnipunctum   Chamberlin

Size:
General Distribution:
Distribution in Area Covered: AZ: Yuma.
Habitat: ?.
Adults Present:
Notes:
Records: Roth unpublished list.
Reference: Roth unpublished list.

Theridion gertschi   Levi

Size:
General Distribution:
Distribution in Area Covered: AZ: Santa Cruz.
Habitat: ?.
Adults Present:
Notes:
Records: Levi 1959.
Reference: Levi 1959.

Theridion goodnightorum   Levi

Size: Male 2.7 mm, female 3.0-4.0 mm.
General Distribution: Wyoming and California to central Mexico.
Distribution in Area Covered: AZ: Cochise, Navajo; NM: San Miguel, Valencia?
Habitat: ?
Adults Present:
Notes:
Records: Levi 1957, Roth 1996.
Reference: Levi 1957, Roth 1996.

Theridion hidalgo   Levi

Size:
General Distribution:
Distribution in Area Covered: TX: Val Verde.
Habitat: ?.
Adults Present: Female from July.
Notes:
Records: TAMU.
Reference: Levi 1957.

Theridion leviorum   Gertsch & Reichert

Size:
General Distribution:
Distribution in Area Covered: NM: Lincoln
Habitat: ?.
Adults Present:
Notes:
Records: Gertsch & Reichert 1976.
Reference: Gertsch & Reichert 1976.

Theridion llano   Levi

Size:
General Distribution:
Distribution in Area Covered: TX: Val Verde.
Habitat: ?.
Adults Present: Female from July.
Notes:
Records: TAMU.
Reference: Levi 1963.

Theridion morulum   O. P.-Cambridge (= jeanae Gertsch & Archer)

Size: Male 3.3 mm, female 5.1 mm.
General Distribution: Southeastern Arizona.
Distribution in Area Covered: AZ: Santa Cruz.
Habitat: ?.
Adults Present:
Notes:
Records: Levi 1957.
Reference: Levi 1957, Platnick 1997.

Theridion murarium   Emerton

Size: Male 2.1-3.2 mm, female 2.8-4.3 mm.
General Distribution:Southern Canada, south to Chiapas, Mexico.
Distribution in Area Covered: AZ: Cochise, Coconino; NM: Catron, Doña Ana, Sandoval, Socorro; TX: Widespread.
Habitat: Branches of trees and bushes, fences and buildings.
Adults Present: April-August.
Notes:
Records: Levy 1957, Dean 1996, Roth 1996, NMSU collection.
Reference: Levi 1957, Dean 1996, Roth 1996.

Theridion neomexicanum   Banks

Size: Male 2.4-2.9 mm, female 2.5-4.0 mm.
General Distribution: British Columbia, Canada and western United States.
Distribution in Area Covered: AZ: Apache, Cochise, Coconino, Gila, Graham, Navajo, Pima; NM: Bernalillo, Catron, Cibola, Grant, Lincoln, Otero, Rio Arriba, Sandoval, San Miguel, Santa Fe, Taos, Torrance, Valencia?
Habitat: 7500-9700 ft.
Adults Present:
Notes: Collected at 7500-9100' by Beatty (1961)
Records: Levi 1957, Beatty 1961, Roth 1996.
Reference: Levi 1957, Beatty 1961, Roth 1996.

Theridion (=Achaearanea) ohlerti   (Thorell)

Size: Male 2.1-2.3 mm , female 1.5-2.8 mm.
General Distribution: High mountains of Europe, Scandinavia, Siberia, Greenland, Alaska and Canada, south to California and New Mexico.
Distribution in Area Covered: NM: Rio Arriba, Santa Fe, Taos.
Habitat: High mountains 8600-10,250 ft.
Adults Present:
Notes:
Records: Levi 1957.
Reference: Levi 1957.

Theridion submissum   Gertsch & Davis

Size: Male 1.9-2.2 mm, female unknown.
General Distribution: Southwestern states to Chihuahua, Mexico.
Distribution in Area Covered: AZ: Pima: NM: Socorro; TX: Brewster.
Habitat: ?
Adults Present: Male July.
Notes:
Records: Levy 1957, Vogel 1970, Dean 1996.
Reference: Levi 1957, Vogel 1970, Dean 1996.

Theridion transgressum   Petrunkevitch

Size: 3.8 mm.
General Distribution: Arizona, New Mexico.
Distribution in Area Covered: AZ: Pima, Santa Cruz; NM: Otero, Sandoval, San Miguel, Taos.
Habitat:?
Adults Present:
Notes: Collected at 7500-9100' in Santa Catalina Mountains by Beatty (1961).
Records: Levi 1957, Beatty 1961.
Reference: Levi 1957, Beatty 1961.

Theridion yuma   Levi;

Size:
General Distribution: Arizona
Distribution in Area Covered: AZ: Yuma.
Habitat:?
Adults Present:
Notes:
Records: Levi 1963.
Reference: Levi 1963.

Theridion n. sp. nr. cochise   Levi

Size:
General Distribution: Arizona.
Distribution in Area Covered: AZ: Cochise.
Habitat:?
Adults Present:
Notes:
Records: Roth 1996.
Reference: Roth 1996.

Theridion n. sp. nr. rabuni   Chamberlin & Ivie

Size:
General Distribution: Arizona.
Distribution in Area Covered: AZ: Yuma.
Habitat:?
Adults Present:
Notes:
Records: Roth unpublished list.
Reference: Roth unpublished list.

Theridula gonygaster   (Simon)

Size:
General Distribution: Worldwide in the tropics. Also southern Arizona and Florida.
Distribution in Area Covered: AZ: Cochise.
Habitat:
Adults Present:
Notes:
Records: Levi 1954, 1966, Roth 1996.
Reference: Levi 1954, 1966, Roth 1996.

Thymoites expulsus   (Gertsch & Mulaik)

Size
General Distribution: Texas
Distribution in Area Covered: TX: Val Verde
Habitat: ?
Adults Present: July.
Notes:
Records: Gertsch & Mulaik 1936b, TAMU.
Reference: Gertsch & Mulaik 1936b.

Thymoites maderae   (Gertsch & Archer)

Size: Male 1.1 mm, female 1.00 mm.
General Distribution: Arizona
Distribution in Area Covered: AZ: Cochise, Pima, Santa Cruz.
Habitat: ?
Adults Present: ?
Notes: Collected at 4750-8000' by Beatty (1961).
Records: Levi 1957, Beatty 1961.
Reference: Levi 1957, Beatty 1961.

Thymoites minero   Roth

Size: Male 1.7-2.0 mm, female 2.5 mm.
General Distribution: Arizona
Distribution in Area Covered: AZ: Cochise
Habitat: Caves.
Adults Present: December.
Notes:
Records: Roth 1992, 1996.
Reference: Roth 1992, 1996.

Thymoites pictipes   (Banks)

Size:
General Distribution:
Distribution in Area Covered: AZ: Pima
Habitat: Caves.
Adults Present: December.
Notes:
Records: Levi 1957.
Reference: Levi 1957.

Thymoites sclerotis   (Levi)

Size:
General Distribution: Arizona
Distribution in Area Covered: AZ: Cochise
Habitat:
Adults Present:
Notes:
Records: Roth 1996.
Reference: Roth 1996.

Thymoites . n. sp.  

Size:
General Distribution: Arizona
Distribution in Area Covered:
Habitat:
Adults Present:
Notes:
Records:
Reference:

Thymoites . n. sp.  

Size:
General Distribution: New Mexico
Distribution in Area Covered:
Habitat:
Adults Present:
Notes:
Records:
Reference:

Tidarren haemorrhoidale   (Bertkau)

Size:
General Distribution:
Distribution in Area Covered: AZ: Cochise; TX: Presidio
Habitat: ?
Adults Present: ?
Notes:
Records: Roth 1996.
Reference: Roth 1996.

Tidarren sisyphoides   (Walckenaer) (= Tidarren fordum (Keyserling) in part)

Size: Male1.1-1.4 mm, female3.7-6.2 mm.
General Distribution: Kentucky to California, south to Peru, east to Cuba, Haiti and Puerto Rico.
Distribution in Area Covered: AZ: Cochise, Pima Santa Cruz; NM: Hidalgo.
Habitat: Pinyon-Juniper in Animas Mountains
Adults Present: ?
Notes: Collected at 2700-4650' in Santa Catalina Mountains by Beatty (1961).
Records: Levi 1955, Beatty 1961, NMSU collection.
Reference: Levi 1955, Beatty 1961.

Mysmena n. sp.

Size:
General Distribution: South Arizona.
Distribution in Area Covered: AZ: Cochise
Habitat:
Adults Present:
Notes:
Records: Gertsch 1960? Roth 1996.
Reference: Gertsch 1960, Roth 1996.

Agyneta amersaxatilis    Duperre

Size: Male 2.25 mm, female 2.24 mm
General Distribution: Northern North America from northern Alaska to the Labrador peninsula, south to New Mexico
Distribution in Area Covered: NM: Sandoval
Habitat: Tundra to mountain forests
Adults Present: June-August
Notes:
Records: Duperre 2013, UNM
Reference: Duperre 2013

Agyneta barfoot    Duperre

Size: Male 1.92 mm, female 2.02 mm
General Distribution: Southeastern Arizona
Distribution in Area Covered: AZ: Cochise, Graham, Pima
Habitat: Mountain meadows, woods
Adults Present: May-September
Notes:
Records: Duperre 2013
Reference: Duperre 2013

Agyneta catalina    Duperre

Size: Male 1.91 mm, female unknown
General Distribution: Southeastern Arizona
Distribution in Area Covered: AZ: Pima
Habitat: Mixed forest in Molino Basin, Santa Catalina Mountains above Tucson
Adults Present: November
Notes:
Records: Duperre 2013
Reference: Duperre 2013

Agyneta chiricahua   Duperre

Size: Male 1.54 mm, female 1.86 mm
General Distribution: Arizona, Oklahoma and Texas
Distribution in Area Covered: AZ: Cochise
Habitat: Rotten logs and agricultural fields
Adults Present: April-December
Notes:
Records: Duperre 2013
Reference: Duperre 2013

Agyneta crista   Duperre

Size: Male 1.98 mm, female 1.74 mm
General Distribution: Arizona, Oklahoma, Texas and Utah
Distribution in Area Covered: AZ: Cochise
Habitat: Under rocks and in agricultural fields and orchards
Adults Present: March, May-July, September-October.
Notes:
Records: Duperre 2013
Reference: Duperre 2013

Agyneta danielbelangeri   Duperre

Size: Male 1.56 mm, female Unknown
General Distribution: British Columbia south to New Mexico
Distribution in Area Covered: NM: Bernalillo, Colfax, Sandoval
Habitat: Mountain forests
Adults Present: June-October.
Notes:
Records: Duperre 2013, UNM
Reference: Duperre 2013

Agyneta flax    Duperre

Size: Male 1.83 mm, female 1.58 mm
General Distribution: Southeastern Arizona and East Texas
Distribution in Area Covered: AZ: Cochise
Habitat:
Adults Present: Apparently all year in East Texas, July-August in Arizona
Notes:
Records: Duperre 2013
Reference: Duperre 2013

Agyneta GrandCanyon    Duperre

Size: Male 1.64 mm, female 1.88 mm
General Distribution: Arizona, California, Nevada and Utah
Distribution in Area Covered: AZ: Apache, Cochise, Maricopa, Santa Cruz; NM: Socorro
Habitat: Leaf litter, Tamarisk duff, desert mountains and riverside
Adults Present: March-December
Notes:
Records: Duperre 2013, UNM
Reference: Duperre 2013

Agyneta paquini    Duperre

Size: Male 1.53 mm, female unknown
General Distribution: Southeastern Arizona, New Mexico and Idaho
Distribution in Area Covered: AZ: Cochise; NM: Sandoval, Taos
Habitat: Rock on dry hillside
Adults Present: April, October-November
Notes:
Records: Duperre 2013
Reference: Duperre 2013

Agyneta protrudens   (Chamberlin & Ivie)

Size: 2.35 mm
General Distribution: Widely distributed in western N. America
Distribution in Area Covered: AZ: Cochise; NM: Los Alamos
Habitat: Forest litter and moss
Adults Present:
Notes:
Records: Duperre 2013
Reference: Duperre 2013

Agyneta sandia    Duperre

Size: Male 1.90 mm, female 1.99 mm
General Distribution: Arizona, New Mexico and East Texas
Distribution in Area Covered: AZ: Cochise, Coconino, Mojave, Pima, NM: Bernalillo, Los Alamos, Sierra,
Habitat: Under rocks, mountains, oak woodland, pecan orchard
Adults Present: April, October-November
Notes:
Records: Duperre 2013, UNM
Reference: Duperre 2013

Agyneta simplex    (Emerton)

Size: Male 1.74 mm, female 1.78 mm
General Distribution: North America north of Mexico
Distribution in Area Covered: AZ: Cochise, Coconino; NM: Los Alamos, Sandoval
Habitat: Moist tundra, meadows, grass & weeds, spruce-fir, mixed woods, pasture, prairie
Adults Present: January-November
Notes:
Records: Duperre 2013, UNM
Reference: Duperre 2013

Agyneta tuberculata    Duperre

Size: Male 2.02 mm, female 1.97 mm
General Distribution: Southwestern United States to Nebraska
Distribution in Area Covered: AZ: Cochise, Pima; NM: Grant, Lincoln,
Habitat: Houses, mountains.
Adults Present: January, March-April, June-July, September-October
Notes:
Records: Duperre 2013
Reference: Duperre 2013

Agyneta uta   (Chamberlin)

Size: Male 1.41 mm, female 2.01 mm
General Distribution: Western United States
Distribution in Area Covered: NM: Colfax, Los Alamos, Santa Fe, Sandoval
Habitat: Forest and mountains, trees
Adults Present: February, May-September, November
Notes:
Records: Duperre 2013, UNM
Reference: Duperre 2013

Bathyphantes pallidus   (Banks)

Size: 2.35 mm
General Distribution: Widely distributed in N. America, less common in western half
Distribution in Area Covered: AZ: Apache
Habitat: Found near water
Adults Present: Mar-Oct
Notes:Despite name, species is dark-colored
Records: Ivie 1969
Reference: Ivie 1969

Centromerus latidens   (Emerton)

Size: Male 2.1-2.5 mm, female 2.0-2.4 mm
General Distribution: Eastern and southeastern N. America
Distribution in Area Covered: AZ: Cochise
Habitat: Forest leaf litter, sometimes in caves
Adults Present: Oct-May
Notes:
Records: Roth 1996.
Reference: Roth 1996.

Ceraticelus crassiceps   Chamberlin & Ivie

Size:
General Distribution:
Distribution in Area Covered: NM: Los Alamos.
Habitat: Mixed-conifer
Adults Present:
Notes:
Records: Lowrie 1985.
Reference: Lowrie 1985.

Ceraticelus similus   (Banks)

Size:
General Distribution:
Distribution in Area Covered: AZ: Cochise.
Habitat:
Adults Present:
Notes:
Records: Roth 1996.
Reference: Roth 1996.

Ceraticelus sp. 1   

Size:
General Distribution:
Distribution in Area Covered: NM: Los Alamos.
Habitat:
Adults Present:
Notes:
Records: Lowrie 1985.
Reference: Lowrie 1985.

Ceraticelus sp. 2   

Size:
General Distribution:
Distribution in Area Covered: AZ: Cochise.
Habitat:
Adults Present:
Notes:
Records: Roth 1996.
Reference: Roth 1996.

Ceratinella brunnea   Emerton (= C. occidentalis Banks, = C. placida Banks)

Size:???1.5-1.6 mm , ? 1.8-2.0 mm.
General Distribution: Newfoundland, Labrador and New England west to North Dakota and New Mexico, south to North Carolina.
Distribution in Area Covered: NM: San Miguel.
Habitat: Collected at 8000 ft.
Adults Present:March-November.
Notes:
Records: Banks 1901.
Reference: Banks 1901, Chamberlin 1948.

Ceratinella playa    Cokendolpher, Torrence, Smith & Duperre

Size Male 1.54 mm, female 1.54 mm
General Distribution:
Distribution in Area Covered: TX: Briscoe
Habitat: In emergent vegetation in playa wetlands
Adults Present: June
Notes:
Records: Cokendolpher et al. 2007
Reference: Cokendolpher et al. 2007

Ceratinella sp. 1   

Size:
General Distribution:
Distribution in Area Covered: NM: Los Alamos.
Habitat:
Adults Present:
Notes:
Records: Lowrie 1985.
Reference: Lowrie 1985.

Ceratinella sp. 2   

Size:
General Distribution:
Distribution in Area Covered: AZ: Cochise.
Habitat:
Adults Present:
Notes:
Records: Roth.
Reference: Roth- notes.

Ceratinops crenatus   (Emerton)

Size:
General Distribution:
Distribution in Area Covered: AZ: Cochise.
Habitat:
Adults Present:
Notes:
Records: Roth 1996.
Reference: Roth 1996.

Ceratinops n. sp.   

Size:
General Distribution:
Distribution in Area Covered: NM: Los Alamos.
Habitat:
Adults Present:
Notes:
Records: Lowrie 1985.
Reference: Lowrie 1985.

Ceratinopsis disparata   (Dondale)

Size:
General Distribution: Arizona.
Distribution in Area Covered: AZ:
Habitat:
Adults Present:
Notes:
Records: Dondale 1959.
Reference: Dondale 1959, Ivie 1967.

Ceratinopsis gosibia   Chamberlin

Size:
General Distribution: Arizona
Distribution in Area Covered: AZ:
Habitat:
Adults Present:
Notes:
Records: Chamberlin 1948.
Reference: Chamberlin 1948

Ceratinopsis interventa   Chamberlin

Size:
General Distribution: Arizona
Distribution in Area Covered: AZ:
Habitat:
Adults Present:
Notes:
Records: Chamberlin 1948.
Reference: Chamberlin 1948

Collinsia perplexa   (Keyserling) ( =Catabrithorax p.= Tmeticus perplexus= Montilaira p.)

Size:
General Distribution:
Distribution in Area Covered: NM: Bernalillo, Los Alamos, Sandoval.
Habitat:
Adults Present:
Notes:
Records: Crosby & Bishop 1928, Lowrie 1985
Reference: Crosby & Bishop 1928, Lowrie 1985

Disembolus anguineus   Millidge

Size: Male 1.45-1.55 mm, female 1.65 mm
General Distribution: Utah, Arizona and New Mexico.
Distribution in Area Covered: AZ: Cochise; NM: Colfax?, Los Alamos, Sandoval
Habitat:Pinon-juniper
Adults Present: October-March
Notes:
Records: Millidge 1981b, Lowrie 1985.
Reference: Millidge 1981b, Lowrie 1985.

Disembolus concinnus   Millidge

Size: Male 1.60 mm, female 1.70-1.80 mm
General Distribution: Southeastern Arizona.
Distribution in Area Covered: AZ: Cochise.
Habitat:
Adults Present: September-October.
Notes:
Records: Millidge 1981b.
Reference: Millidge 1981b.

Disembolus kesimbus   (Chamberlin)

Size: 1.35-1.40 mm
General Distribution: Utah to Northwestern Arizona.
Distribution in Area Covered: AZ: Coconino.
Habitat:
Adults Present: September-October.
Notes:
Records: Chamberlin 1948, Millidge 1981b.
Reference: Chamberlin 1948.Millidge 1981b

Drapetisca oteroana   Gertsch

Size:
General Distribution: New Mexico
Distribution in Area Covered: NM: Otero (Camp Mary White)
Habitat: Tree trunks in conifer forest
Adults Present:
Notes:
Records: Gertsch 1951.
Reference: Gertsch 1951.

Eridantes sp.   

Size:
General Distribution: NM: Grant, Hidalgo.
Distribution in Area Covered:
Habitat:
Adults Present:
Notes:
Records: Muma 1980.
Reference: Muma 1980.

Erigone angela   Chamberlin & Ivie

Size:
General Distribution:
Distribution in Area Covered: AZ: Pima.
Habitat:
Adults Present:
Notes: Collected at 7500' in Santa Catalina Mountains by Beatty (1961).
Records: : Beatty 1961.
Reference: Beatty 1961.

Erigone autumnalis   Emerton

Size:
General Distribution:
Distribution in Area Covered: AZ: Cochise, Yuma; NM: Doña Ana, Grant.
Habitat:
Adults Present:
Notes:
Records: Muma 1980, Richman et al. 1990, Roth 1996.
Reference: Muma 1980, Richman et al. 1990, Roth 1996.

Erigone denticulata   Chamberlin & Ivie

Size: Male 2.18 mm, female 2.65 mm
General Distribution: Western US
Distribution in Area Covered: TX: Lubbock, Briscoe, Swisher
Habitat: Emergent vegetation in playa wetland
Adults Present: June-September
Notes: Also found in wet greenhouse in Lubbock
Records: Cokendolpher et al. 2007
Reference: Chamberlin & Ivie 1939, Cokendolpher et al. 2007

Erigone dentosa   O. Pickard-Cambridge

Size:
General Distribution:
Distribution in Area Covered: AZ: Cochise, Maricopa; NM: Bernalillo, San Miguel, Santa Fe .
Habitat:
Adults Present: April, June, September
Notes:
Records: Roth 1996, Lowrie and Carter Unpublished notes.
Reference: Roth 1996.

Erigone whymperi   O. Pickard-Cambridge

Size:
General Distribution:
Distribution in Area Covered: NM: Otero.
Habitat:
Adults Present:
Notes:
Records: ??
Reference: O. P.-Cambridge 1877?

Erigone sp.   

Size:
General Distribution:
Distribution in Area Covered: NM: Grant.
Habitat:
Adults Present:
Notes:
Records: Muma 1980.
Reference: Muma 1980.

Eulaira suspecta   Gertsch & Mulaik

Size:
General Distribution:
Distribution in Area Covered: AZ: Cochise; TX: Val Verde.
Habitat:
Adults Present:
Notes:
Records: Vogel 1970, Roth 1996.
Reference: Vogel 1970, Roth 1996.

Frontinella pyramitela    (Walckenaer) [= F. communis (Hentz) in many texts]

Size:
General Distribution:
Distribution in Area Covered: AZ: Cochise, Pima, Yuma, NM: Doña Ana, Hidalgo, White Mts.?
Habitat:
Adults Present:
Notes: Collected at 2700-9100' in Santa Catalina Mountains by Beatty (1961).
Records: Beatty 1961, Roth 1996, NMSU collection.
Reference: Beatty 1961, Roth 1996.

Frontinella huachuca   Gertsch & Davis

Size:
General Distribution:
Distribution in Area Covered: AZ: Cochise, Pima, NM: Grant.
Habitat:
Adults Present:
Notes: Collected at 6000-7500' in Santa Catalina Mountains by Beatty (1961). A photograph taken in Railroad Canyon, Grant Co., NM appears to be this species.
Records: Beatty 1961, Roth 1996.
Reference: Beatty 1961, Roth 1996.

Grammonota gentilis   Banks

Size:
General Distribution:
Distribution in Area Covered: AZ: Cochise.
Habitat:
Adults Present:
Notes:
Records: Roth 1996.
Reference: Roth 1996.

Grammonota pictilis   (O. P.-Cambridge)

Size:
General Distribution:
Distribution in Area Covered: NM: Bernalillo.
Habitat:
Adults Present:
Notes:
Records: Banks 1901.
Reference: Banks 1901.

Grammonota speciosa   Gertsch & Mulaik

Size:
General Distribution: Texas.
Distribution in Area Covered: TX: Terrell.
Habitat:
Adults Present:
Notes:
Records: Vogel 1970.
Reference: Vogel 1970.

Grammonota nr. pictilis   (O. P.-Cambridge)

Size:
General Distribution:
Distribution in Area Covered: NM: Doña Ana.
Habitat:
Adults Present:
Notes:
Records: Richman et al 1990, NMSU collection, UNM collection
Reference: Richman et al. 1990.

Halorates plumosa   (Emerton) (= Collinsia p. )

Size:
General Distribution: Eastern Canada and New England west to Oregon and south to New Mexico.
Distribution in Area Covered: NM: Los Alamos.
Habitat:
Adults Present:
Notes:
Records: Lowrie 1985.
Reference: Lowrie 1985.

Halorates stylifer   Chamberlin (= Catabrithorax s.)

Size:
General Distribution: West United States N to Alaska. New Mexico?
Distribution in Area Covered:
Habitat:
Notes:
Records: ??
Reference: Vogel? 1967.

Helophora orinoma   (Chamberlin)

Size:
General Distribution:
Distribution in Area Covered: AZ: Pima.
Habitat:
Adults Present:
Notes: Collected at 7500-9100' in Santa Catalina Mountains by Beatty (1961).
Records: Beatty 1961.
Reference: Beatty 1961.

Helophora sp.   

Size:
General Distribution:
Distribution in Area Covered: NM: Los Alamos.
Habitat:
Adults Present:
Notes:
Records: Lowrie 1985.
Reference: Lowrie 1985.

Helophora n. sp. nr. reducta   Keyserling

Size:
General Distribution:
Distribution in Area Covered: AZ: Cochise.
Habitat:
Adults Present:
Notes:
Records: Roth?
Reference: Roth.

Horcotes quadracristatus   (Emerton)

Size:
General Distribution:
Distribution in Area Covered: AZ: County?
Habitat:
Adults Present:
Notes:
Records:
Reference:

Idionella nesiotes   Crosby (= Ceraticelus nesiotes)

Size:
General Distribution:
Distribution in Area Covered: AZ: Yuma.
Habitat:
Adults Present:
Notes:
Records: Roth, unpublished list.
Reference: Roth, unpublished list.

Idionella sclerata   (Ivie & Barrows)

Size:
General Distribution:
Distribution in Area Covered: AZ: Cochise; NM: Lincoln.
Habitat:
Adults Present:
Notes:
Records: Gertsch & Riechert 1976, Roth 1996.
Reference: Gertsch & Riechert 1976, Roth 1996.

Incestophantes washingtoni   (Zorsch)

Size:
General Distribution:
Distribution in Area Covered: NM: Los Alamos
Habitat:
Adults Present:
Notes:
Records: Lowrie
Reference:

Idionella n. sp.   

Size:
General Distribution:
Distribution in Area Covered: AZ: Cochise.
Habitat:
Adults Present:
Notes:
Records: Roth 1996.
Reference: Roth 1996.

Islandiana coconino   Ivie

Size: Male 1.5 mm, female 1.7 mm
General Distribution: Colorado to Arizona and New Mexico.
Distribution in Area Covered:AZ: Coconino; CO: Mesa; NM: Socorro
Habitat: Magdalena Mts., mixed conifer forest
Adults Present: June-July
Notes:
Records: Ivie 1965, UNM collection
Reference: Ivie 1965.

Islandiana flaveola   (Banks)

Size: Less than 1.5 mm
General Distribution: Ontario and northern US to Montana, south to AZ, TX, AR
Distribution in Area Covered: AZ: Cochise; NM: Los Alamos, Santa Fe, Sandoval
Habitat:Piñon-juniper
Adults Present: April-December
Notes:
Records: Ivie 1965, Lowrie 1985, Roth 1996, UNM collection.
Reference: Ivie 1965, Lowrie 1985, Roth 1996.

Islandiana lasalana   (Chamberlin & Ivie)

Size: Male 1.63 mm, female 1.8 mm
General Distribution: UT, NM
Distribution in Area Covered: NM: Los Alamos, Sandoval
Habitat:mixed conifer forest
Adults Present:
Notes:UT specimens from about 10,000 ft. elev.
Records: Ivie 1965, UNM collection, Lowrie unpublished notes.
Reference: Ivie 1965

Islandiana mimbres   Ivie

Size: Less than 1.5 mm
General Distribution: NM
Distribution in Area Covered: NM: Grant
Habitat:
Adults Present: September
Notes:
Records: Ivie 1965
Reference: Ivie 1965

Jalapyphantes cuernavaca   Gertsch & Davis

Size:
General Distribution:
Distribution in Area Covered: AZ: Cochise
Habitat:
Adults Present:
Notes:
Records: Roth 1996
Reference: Roth 1996

Jalapyphantes puebla   Gertsch & Davis

Size:
General Distribution:
Distribution in Area Covered: TX: Jeff Davis
Habitat:
Adults Present:
Notes:
Records:
Reference:

Lepthyphantes intricatus   (Emerton).

Size:
General Distribution:
Distribution in Area Covered: NM: Sandoval
Habitat:
Adults Present:
Notes:
Records: UNM collection
Reference:

Lepthyphantes Raineri   Emerton.

Size:
General Distribution:
Distribution in Area Covered: NM: Los Alamos
Habitat:
Adults Present:
Notes:
Records: Lowrie, Unpublished notes
Reference:

Lepthyphantes turbatrix   O. P.-Cambridge (= L. subalpinus)

Size:
General Distribution:
Distribution in Area Covered: NM: Cibola, Los Alamos.
Habitat:
Adults Present:
Notes:
Records: Lowrie 1985, NMSU Arthropod Museum, UNM collection.
Reference: Lowrie 1985.

Lepthyphantes sp. 1   

Size:
General Distribution:
Distribution in Area Covered: AZ: Cochise.
Habitat:
Adults Present:
Notes:
Records: Roth 1996.
Reference: Roth 1996.

Lepthyphantes sp. 2   

Size:
General Distribution:
Distribution in Area Covered: AZ: Cochise
Habitat:
Adults Present:
Notes:
Records: Roth 1996.
Reference: Roth 1996.

Lepthyphantes sp. 3   

Size:
General Distribution:
Distribution in Area Covered: AZ: Cochise
Habitat:
Adults Present:
Notes:
Records: Roth 1996.
Reference: Roth 1996.

Lepthyphantes sp. 4   

Size:
General Distribution:
Distribution in Area Covered: NM: Los Alamos.
Habitat:
Adults Present:
Notes:
Records: Lowrie 1985.
Reference: Lowrie 1985.

Linyphia catalina   Gertsch

Size:
General Distribution:
Distribution in Area Covered: AZ: Cochise, Pima.
Habitat:
Adults Present:
Notes: Collected at 7500-8300' in Santa catalina Mountains by Beatty (1961).
Records: Beatty 1961, Roth 1996.
Reference: Beatty 1961, Roth 1996.

Linyphia rita   Gertsch

Size:
General Distribution:
Distribution in Area Covered: AZ: Cochise
Habitat:
Adults Present:
Notes:
Records: Roth 1996.
Reference: Roth 1996.

Masoncus arienus   Chamberlin

Size:
General Distribution: Arizona.
Distribution in Area Covered: ?
Habitat:
Adults Present:
Notes:
Records: Chamberlin 1948.
Reference: Chamberlin 1948.

Masoncus conspectus   (Gertsch & Davis)

Size:
General Distribution: Texas.
Distribution in Area Covered: TX: Culberson, Val Verde.
Habitat:
Adults Present: ? December.
Notes:
Records: Vogel 1970, Dean 1996.
Reference: Vogel 1970, Dean 1996.

Maso navajo   Chamberlin

Size: 2.2 mm
General Distribution: Arizona.
Distribution in Area Covered: AZ: Gila.
Habitat:
Adults Present: ? April.
Notes:
Records: Chamberlin 1948.
Reference: Chamberlin 1948.

Mermessus agressus   (Gertsch & Davis) (=Eperigone agressa)

Size: Male 2.65-2.8 mm, female 2.65-2.9 mm
General Distribution: NM and Mexico
Distribution in Area Covered: NM: Otero
Habitat:
Adults Present: April-August
Notes: Occurs at elevations up to 3200 m
Records: Millidge 1987
Reference: Millidge 1987

Mermessus antraeus   (Crosby) (=Eperigone antraea)

Size: Male 2.2-2.8 mm, female 2.65-2.7 mm
General Distribution: TX, AZ, NM, Mexico
Distribution in Area Covered: AZ: Cochise, Apache, Yavapai; NM: Eddy, Otero; TX: Brewster, Culberson.
Habitat: Caves, but occasionally found in the open
Adults Present: April-December
Notes: Closely related to Mermessus taibo
Records: Crosby 1926, Vogel 1970, Millidge 1987, Roth 1996, Dean 1996, NMSU collection.
Reference: Crosby 1926, Vogel 1970, Millidge 1987, Roth 1996, Dean 1996.

Mermessus coahuilanus   (Gertsch & Davis)(=Eperigone coahuilana)

Size: Male 1.9-2.1 mm, female 2.0-2.35 mm
General Distribution: AZ, NM, Mexico
Distribution in Area Covered: AZ: Cochise, Graham, Pima; NM: Grant
Habitat:
Adults Present: May-November
Notes: Collected at 5000-9100' in Santa Catalina Mountains by Beatty (1961).
Records: Beatty 1961, Millidge 1987, Roth 1996.
Reference: Beatty 1961, Millidge 1987, Roth 1996.

Mermessus denticulatus   (Banks)(=Eperigone eschatologica Crosby, in Chamberlin)

Size: Male 1.9-2.5 mm, female 2.75-3.25 mm
General Distribution: Widespread in southern N. America
Distribution in Area Covered: AZ: Cochise, Pima, Yuma; NM: Grant; TX: Widespread.
Habitat: Bluebonnets, cotton, peanuts, under rock, juniper.
Adults Present: Male January, March-December, female March-October.
Notes: Collected at 2400' in Santa Catalina Mountains by Beatty (1961).
Records: Beatty 1961, Muma 1980, Millidge 1987, Roth 1996, Dean 1996, Cokendolpher et al. 2007
Reference: Beatty 1961, Muma 1980, Millidge 1987, Roth 1996, Dean 1996, Cokendolpher et al. 2007

Mermessus inornatus   (Ivie & Barrows) (=Eperigone inornata)

Size: Male 1.45-1.65 mm, female 1.55-1.7 mm
General Distribution: Southern US
Distribution in Area Covered: NM: Otero
Habitat:
Adults Present: February - December
Notes:
Records: Millidge 1987.
Reference: Millidge 1987.

Mermessus maculatus   (Banks)(=Eperigone maculata)

Size: Male 1.45-1.75, female 1.45-1.9 mm
General Distribution:
Distribution in Area Covered: AZ: Cochise; TX: Val Verde.
Habitat: Moss, leaf litter, under logs
Adults Present: Year-round
Notes:
Records: Vogel 1970, Millidge 1987, Roth 1996.
Reference: Vogel 1970, Millidge 1987, Roth 1996.

Mermessus maderus   (Millidge)(=Eperigone madera)

Size: Male 2.65-2.9 mm, female 2.45-3.1 mm
General Distribution:AZ, NM
Distribution in Area Covered: AZ: Cochise, Graham, Pima, Santa Cruz; NM: Otero.
Habitat:
Adults Present: Male August-October, female March, May-September.
Notes:
Records: Millidge 1987.
Reference: Millidge 1987.

Mermessus major   (Millidge) (=Eperigone major)

Size: Male 2.7-3.1 mm, female 3.0-3.65 mm
General Distribution:
Distribution in Area Covered: AZ: Apache, Coconino; NM: Los Alamos
Habitat:
Adults Present: Male April, female April, July.
Notes:
Records: Millidge 1987, Lowrie Unpublished notes..
Reference: Millidge 1987.

Mermessus modicus (=Eperigone modica)   (Millidge) (=Eperigone modica)

Size: Female 2.5 mm
General Distribution:
Distribution in Area Covered: AZ:County unknown; NM: Otero
Habitat:
Adults Present: Female August.
Notes: Male unknown
Records: Millidge 1987
Reference: Millidge 1987

Mermessus taibo   (Chamberlin & Ivie) (=Eperigone taibo)

Size:Male 2.1-2.6, female 2.45-2.65 mm
General Distribution:AZ, NM, CO
Distribution in Area Covered: AZ: Apache, Coconino, Greenlee, Pima; NM: Los Alamos, Sandoval.
Habitat: Under logs and stumps
Adults Present: April-October
Notes:
Records: Lowrie 1985, Millidge 1987, UNM Collection
Reference: Lowrie 1985, Millidge 1987

Mermessus tibialis   (Millidge) (=Eperigone tibialis)

Size: Male 2.9 mm, female 3.0 mm
General Distribution: AZ, NM
Distribution in Area Covered: AZ: Cochise; NM: Sierra
Habitat:
Adults Present: April and September
Notes:
Records: Millidge 1987, Roth 1996
Reference: Millidge 1987, Roth 1996

Mermessus trilobatus   (Emerton) (=Eperigone trilobata)

Size: Male 1.55-2.05 mm, female 1.55-2.1 mm
General Distribution: US and Canada
Distribution in Area Covered: AZ: Cochise, Coconino, Graham; NM: Los Alamos.
Habitat: Meadow prairie, leaf litter, moss, salt marsh, along ditches and lake shore
Adults Present: Year-round
Notes:
Records: Lowrie 1985, Millidge 1987, Roth 1996.
Reference: Lowrie 1985, Millidge 1987, Roth 1996.

Mermessus sp.   

Size:
General Distribution:
Distribution in Area Covered: NM: Los Alamos.
Habitat:
Adults Present:
Notes:
Records: Lowrie 1985.
Reference: Lowrie 1985.

Microlinyphia mandibulata punctata   (Chamberlin & Ivie)

Size:
General Distribution:
Distribution in Area Covered: AZ: Cochise.
Habitat:
Adults Present:
Notes:
Records: Roth 1996.
Reference: Roth 1996.

Microneta viaria   (Blackwall) = M. soltaui Banks

Size:
General Distribution:
Distribution in Area Covered: NM: Bernalillo.
Habitat:
Adults Present:
Notes:
Records: Banks 1901
Reference: Banks 1901

Neriene radiata   (Walckenaer) (= Prolinyphia marginata (C. L. Koch))

Size:
General Distribution:
Distribution in Area Covered: AZ: Cochise; NM: Lincoln, Los Alamos, San Miguel, Sierra.
Habitat:
Adults Present:
Notes:
Records: Helsdingen 1969, Lowrie 1985, Roth 1996, NMSU collection.
Reference: Helsdingen 1969, Lowrie 1985, Roth 1996.

Oedothorax brevipalpus   (Banks)

Size:
General Distribution:
Distribution in Area Covered: NM:
Habitat:
Adults Present:
Notes:
Records: Banks 1901.
Reference: Banks 1901.

Oreonetides vaginatus   (Thorell)

Size:
General Distribution:
Distribution in Area Covered: AZ:
Habitat:
Adults Present:
Notes:
Records:
Reference:

Pityohyophantes brachygynus   Chamberlin & Ivie

Size:
General Distribution:
Distribution in Area Covered: AZ:Pima.
Habitat:
Adults Present:
Notes: Collected at 6000-8300' in Santa Catalina Mountains by Beatty (1961).
Records: Beatty 1961.
Reference: Beatty 1961.

Pityohyphantes minidoka   Chamberlin & Ivie

Size:
General Distribution: Idaho to New Mexico.
Distribution in Area Covered: NM: Cibola, Los Alamos.
Habitat:
Adults Present:
Notes:
Records: Lowrie 1985, NMSU collection, UNM collection
Reference: Lowrie 1985.

Pityohyphantes phrygianus   (C. L. Koch)

Size:
General Distribution:
Distribution in Area Covered: AZ: Cochise: NM: Top of Las Vagas Range- San Miguel Co?
Habitat:
Adults Present:
Notes:
Records: Roth 1996.
Reference: Roth 1996.

Pocadicnemis americana    Millidge (=P. pumila (Blackwall) in Lowrie 1985 - source Richard Carter)

Size:
General Distribution: New York and New Hampshire west to Utah and New Mexico.
Distribution in Area Covered: NM: Los Alamos.
Habitat:
Adults Present:
Notes:
Records: Lowrie 1985.
Reference: Lowrie 1985.

Poeciloneta nr. theridiformis   (Emerton)(=Lepthyphantes sp.)

Size:
General Distribution:
Distribution in Area Covered: AZ: Cochise.
Habitat:
Adults Present:
Notes:
Records: Roth 1996.
Reference: Roth 1996.

Scotinotylus apache   (Chamberlin)

Size: Female 2.0 mm
General Distribution:
Distribution in Area Covered: AZ:
Habitat:
Adults Present: October
Notes: Male unknown
Records: Chamberlin 1948, Millidge 1981a.
Reference: Chamberlin 1948, Millidge 1981a.

Scotinotylus kenus   (Chamberlin)

Size: Male 2.1 mm, female 2.2-2.7 mm
General Distribution: Montana, Utah and Arizona
Distribution in Area Covered: AZ:
Habitat:
Adults Present: April-October
Notes: Occurs at moderately high elevations
Records: Chamberlin 1948, Millidge 1981a
Reference: Chamberlin 1948, Millidge 1981a

Scotinotylus pallidus   (Emerton)

Size: Male 1.10-1.65 mm, female 1.1-1.7 mm
General Distribution:Canada, northern US, mountain western US
Distribution in Area Covered: NM
Habitat:
Adults Present: Year-round
Notes:
Records: Millidge 1981a
Reference: Millidge 1981a

Scotinotylus pollucis   Millidge

Size: Male 1.85-2.05 mm, female 1.9 mm
General Distribution:CO, AZ
Distribution in Area Covered: AZ: Cochise.
Habitat: Forests with lodgepole and ponderosa pine, Douglas-fir, or aspen; juniper and oak woodlands, meadows, streams
Adults Present: April-September
Notes: Found at 2400-2800 m elevation
Records: Millidge 1981a, Roth 1996
Reference: Millidge 1981a, Roth 1996

Scotinotylus sanctus   (Crosby)

Size: Male 1.9-2.0 mm, female 2.0-2.1 mm
General Distribution: Western N America
Distribution in Area Covered: AZ:
Habitat: Woodland, lake shore, edge of snow at 2500-3000 m elevation
Adults Present: March-October
Notes:
Records: Millidge 1981a
Reference: Millidge 1981a

Scotinotylus sp.   

Size:
General Distribution:
Distribution in Area Covered: NM: Grant.
Habitat:
Adults Present:
Notes:
Records: Muma 1980.
Reference: Muma 1980.

Scotinotylus sp.   

Size:
General Distribution:
Distribution in Area Covered: AZ: Cochise.
Habitat:
Adults Present:
Notes:
Records: Roth 1996.
Reference: Roth 1996.

Sisicottus montanus  (Emerton)

Size: Carapace length 0.67-096 mm
General Distribution: Canada, New England, Alaska, Washington, Rocky Mountains south to Arizona
Distribution in Area Covered: AZ;?; NM: Los Alamos
Habitat: Forest, bogs, ditches, leaf litter, grass
Adults Present: June-September
Notes:
Records: Miller 1999, Lowrie Unpublished notes
Reference: Miller 1999

Sisicottus orites  (Chamberlin)

Size: Carapace length 0.88-2.0 mm
General Distribution: California, Utah, New Mexico, north to Washington and Alberta
Distribution in Area Covered: NM
Habitat: Wet moss and similar habitats as for S. montanus
Adults Present: June-October
Notes:
Records: Miller 1999
Reference: Miller 1999

Sphecozone magnipalpus   Millidge

Size:
General Distribution:
Distribution in Area Covered: AZ:
Habitat:
Adults Present:
Notes:
Records: Millidge 1993
Reference: Millidge 1993

Spirembolus levis   Millidge

Size: Male 1.45 mm, female 1.8-1.9 mm
General Distribution: AZ, CA, Baja California Norte
Distribution in Area Covered: AZ:
Habitat:
Adults Present: November-March
Notes:
Records: Millidge 1980
Reference: Millidge 1980

Spirembolus maderus   Chamberlin

Size: Male 1.45 mm, female 1.7-1.8 mm
General Distribution:
Distribution in Area Covered: AZ: ; NM: Taos
Habitat:
Adults Present: May-December
Notes: Mostly found at high elevations
Records: Millidge 1980
Reference: Millidge 1980

Spirembolus pallidus   Chamberlin & Ivie

Size: Male 1.45-1.55 mm, female 1.55-1.65 mm
General Distribution: Southwestern US
Distribution in Area Covered: AZ: Cochise; NM: Grant? (Mimbres Mts.), Los Alamos.
Habitat:
Adults Present: April-October
Notes:
Records: Millidge 1980, Lowrie 1985, Roth 1996
Reference: Millidge 1980, Lowrie 1985, Roth 1996

Spirembolus spirotubus   (Banks)

Size: Male 1.6-1.7 mm, female 1.9-2.0 mm
General Distribution: New Mexico to Canada
Distribution in Area Covered: NM: Los Alamos
Habitat: Meadow, grassland, marshes
Adults Present: Most June-September
Notes:
Records: Millidge 1980; Lowrie Unpublished notes
Reference: Millidge 1980

Spirembolus vallicolens   (Chamberlin)

Size: Male 1.6-1.7 mm, female 1.9-2.0
General Distribution: Utah and Idaho south to California and New Mexico.
Distribution in Area Covered: NM: Los Alamos.
Habitat:
Adults Present: Year-round
Notes:
Records: Millidge 1980, Lowrie 1985.
Reference: Millidge 1980, Lowrie 1985.

Spirembolus venustus   Millidge

Size: Female 2.0 mm
General Distribution: Arizona.
Distribution in Area Covered: AZ: Pima
Habitat:
Adults Present: June
Notes: Male unknown
Records: Millidge 1980
Reference: Millidge 1980

Tachygyna haydeni   Chamberlin & Ivie

Size: 1.35-1.45 mm.
General Distribution: Utah and Colorado south to northern Arizona and New Mexico.
Distribution in Area Covered: AZ: Coconino, Mohave; NM: Colfax.
Habitat:
Adults Present: Males July-October, females April and June-October.
Notes:
Records: Millidge 1984.
Reference: Millidge 1984.

Tachygyna tuoba   (Chamberlin & Ivie)

Size: Male 1.60, female 1.65 mm
General Distribution: Utah to northern New Mexico.
Distribution in Area Covered: NM: Colfax, Sandoval
Habitat:
Adults Present: August and October
Notes:
Records: Millidge 1984, UNM collection
Reference: Millidge 1984

Tachygyna sp.   

Size:
General Distribution:
Distribution in Area Covered: AZ: Cochise
Habitat:
Adults Present:
Notes:
Records: Roth 1996.
Reference: Roth 1996.

Tapinopa sp.   

Size:
General Distribution:
Distribution in Area Covered: AZ: Cochise.
Habitat:
Adults Present:
Notes:
Records: Roth 1996.
Reference: Roth 1996.

Tennesseellum formicum   (Emerton)

Size:
General Distribution: AZ: Cochise; NM: Doña Ana, Grant, Hidalgo, Lincoln.
Distribution in Area Covered:
Habitat:
Adults Present:
Notes:
Records: Gertsch & Riechert 1976, Muma 1980, Roth 1996.
Reference: Gertsch & Riechert 1976, Muma 1980, Roth 1996.

Walckenaeria blanda   Millidge

Size: Female 2.35-2.45 mm
General Distribution: Southeastern Arizona and southwestern New Mexico.
Distribution in Area Covered: AZ: Cochise; NM: Hidalgo?
Habitat:
Adults Present: May, August-September
Notes: Male unknown
Records: Millidge 1983, Roth 1996
Reference: Millidge 1983, Roth 1996

Walckenaeria directa   (O. P.-Cambridge)

Size: Male 2.0-2.7 mm, female 2.1-2.9 mm
General Distribution: Most of N American except extreme south
Distribution in Area Covered: NM: Los Alamos
Habitat: Grass, leaf litter, shrub habitat
Adults Present: Year-round
Notes: Observed ballooning in Fall
Records: Millidge 1983, Lowrie 1985
Reference: Millidge 1983, Lowrie 1985

Walckenaeria latens   Millidge

Size: Female 3.3 mm
General Distribution: Arizona
Distribution in Area Covered: AZ: Graham
Habitat:Probably montane
Adults Present: August
Notes: Male unknown
Records: Millidge 1983
Reference: Millidge 1983

Walckenaeria minuta   (Emerton)

Size: Male 1.4-1.5 mm, female 1.45-1.60 mm
General Distribution: Eastern and Central United States.
Distribution in Area Covered: NM?
Habitat:
Adults Present: September-May
Notes:
Records: Millidge 1983
Reference: Millidge 1983

Walckenaeria pinocchio   (Kaston)

Size: Male 1.8-2.0 mm
General Distribution: Northeastern N. America
Distribution in Area Covered: NM: Sandoval
Habitat:
Adults Present:
Notes: Female unknown
Records: Kaston 1945, UNM collection
Reference: Kaston 1945, Millidge 1983

Walckenaeria spiralis   (Emerton)

Size:Male 1.9-2.2 mm, female 2.0-2.6 mm
General Distribution: Most of N. America except western coast
Distribution in Area Covered: NM: Hidalgo? Los Alamos
Habitat: Meadows, tall grass, edge of woods, fens, beach dunes
Adults Present: March-November
Notes: Females needed to separate W. spiralis from W. subspiralis
Records: Millidge 1983, Lowrie 1985
Reference: Millidge 1983, Lowrie 1985

Walckenaeria subspiralis   Millidge

Size: Male 1.9-2.3 mm, female 2.1-2.9 mm
General Distribution: Canada south to New York; western N. America
Distribution in Area Covered: AZ:
Habitat: Grass, leaf litter, mud cracks, rocky lake shore, under logs
Adults Present: March-December
Notes: Females needed to separate W. subspiralis from W. spiralis
Records: Millidge 1983.
Reference: Millidge 1983.

Wubana drassoides   (Emerton)

Size:
General Distribution:
Distribution in Area Covered: AZ: Cochise; NM: Cibola, Los Alamos
Habitat: High mountains
Adults Present: September (Mt. Taylor)
Notes:
Records: Lowrie 1985, Roth 1996, NMSU Arthropod Museum, UNM collection
Reference: Lowrie 1985, Roth 1996.

Wubana ornata   Chamberlin & Ivie

Size:
General Distribution:
Distribution in Area Covered: AZ: Pima.
Habitat:
Adults Present:
Notes: Collected at 7500' in Santa Catalina Mountains by Beatty (1961).
Records: Beatty 1961.
Reference: Beatty 1961.

Glenognatha emertoni   Simon

Size: Male 4-5 mm, female 4.6-5.4 mm
General Distribution: SE Arizona and SW New Mexico
Distribution in Area Covered: AZ: Cochise
Habitat:
Adults Present:
Notes:
Records: Roth 1996
Reference: Roth 1996

Glenognatha foxi   McCook

Size: Male 1.4-2.2 mm, female 1.6-2.6 mm
General Distribution: Eastern United States, west to California and south into Mexico
Distribution in Area Covered: AZ: Cochise; TX: widespread
Habitat: Bluebonnets, cotton, paintbrush, pasture, peanuts
Adults Present: Male January, February, April-December; female April, June, August
Notes:
Records: Roth 1996, Dean 1996
Reference: Roth 1996, Dean 1996

Leucauge venusta   (Walckenaer)

Size: Male 3.2-5.1 mm, female 3.7-8.0 mm
General Distribution: Eastern US to central Texas and south to Panama; coast of California
Distribution in Area Covered: AZ
Habitat:
Adults Present: Male late May-early July; female April-June
Notes:
Records: Levi 1980
Reference: Levi 1980

Metellina mimetoides   Chamberlin & Ivie

Size: Male 3.1-4.9 mm, female 3.3-6.0 mm
General Distribution: From southern Alaska, Pacific coast to northern Baja California, wet to Utah and in caves from Nevada to Oklahoma
Distribution in Area Covered: AZ: Cochise, Pima; NM: Hidalgo
Habitat:
Adults Present: Vegetation in oak grassland, rock overhangs, caves, and around woodpiles and unused buildings
Notes: Collected at 4300-4750' in Santa Catalina Mountains by Beatty (1961)
Records: Beatty 1961, Roth 1996, NMSU collection
Reference: Beatty 1961, Roth 1996

Pachygnatha dorothea   McCook [= P. brevis]

Size: Male 4.7-6.0 mm, female 5.0-6.2 mm
General Distribution: Canada and US south to New Mexico
Distribution in Area Covered: NM: Valencia
Habitat: Collected from lake shores, river banks, flood plains; in skunk cabbage, pitcher plants and under tree bark
Adults Present:
Notes:
Records: Levi 1980
Reference: Levi 1980

Tetragnatha elongata   Walckenaer

Size: Male 4.8-10.5 mm, female 8.2-13.2 mm
General Distribution: Canada and United States, West Indies
Distribution in Area Covered: AZ: Santa Rita Mts.
Habitat:
Adults Present:
Notes:
Records: Levi 1981
Reference: Levi 1981

Tetragnatha extensa   (Linnaeus)

Size: Male 4.3-7.6 mm, female 5.8-8.7 mm
General Distribution: Northern Eurasia, Alaska and SE to Arizona, Colorado and New York
Distribution in Area Covered: AZ: Cochise
Habitat: High mountains
Adults Present:
Notes:
Records: Levi 1981
Reference: Levi 1981

Tetragnatha guatemalensis   O. P.-Cambridge

Size: Male 5.2-10.2 mm, female 5.4-11.5 mm
General Distribution: Nova Scotia, Minnesota, Kansas, New Mexico, southern California south to Panama, Cuba, Jamaica
Distribution in Area Covered: AZ: Pima; NM: Valencia?
Habitat:
Adults Present:
Notes:
Records: Levi 1981
Reference: Levi 1981

Tetragnatha laboriosa   Hentz

Size: Male 4.4-6.7 mm, female 5.7-7.4 mm
General Distribution: Widespread in United States and Canada
Distribution in Area Covered: AZ: Cochise, Pima, Yuma; NM: Doña Ana, Hidalgo, Lincoln, Los Alamos, San Miguel (probably throughout states); TX: Widespread
Habitat:Alfalfa, bluebonnets, brush, citrus, cotton, paintbrush, peanuts, vegetation, junipers, oaks, elms.
Adults Present: Male February-August; female March-July, September-November
Notes: Collected at 2800-9100' in Santa Catalina Mountains by Beatty (1961)
Records: Beatty 1961, Levi 1981, Lowrie 1985, Richman et al. 1990, Roth 1996, NMSU collection
Reference: Beatty 1961, Levi 1981, Lowrie 1985, Richman et al. 1990, Roth 1996

Tetragnatha nitens   (Audouin) [= T. elmora Chamberlin & Ivie, T. steckleri Gertsch and T. vicinia Simon]

Size: Male 5.2-10.1 mm, female 7.4-11.0 mm
General Distribution: Cosmotropical, in N. America north to northern Florida, northern Texas, New Mexico, to northern California
Distribution in Area Covered: AZ: Maricopa, Pima, Yuma; NM: Valencia
Habitat:
Adults Present:
Notes:
Records: Roth unpublished list, Levi 1981
Reference: Roth unpublished list, Levi 1981

Tetragnatha pallescens   F. O. P.-Cambridge [= T. pallida (Banks)]

Size: Male 6.5-9.6 mm, female 7.3-12.2 mm
General Distribution: Eastern United States, west to Texas and New Mexico.
Distribution in Area Covered: AZ: Yuma; NM: San Miguel?
Habitat:
Adults Present:
Notes:
Records: Roth unpublished list, Levi 1981
Reference: Roth unpublished list, Levi 1981

Tetragnatha versicolor   Walckenaer

Size: Male 4.3-9.2 mm, female 5.4-13.3 mm
General Distribution: Widespread
Distribution in Area Covered: AZ: Cochise, Pima, Yuma; NM: Hidalgo, San Miguel, Sierra
Habitat: Mixed-conifer forests, floodplain forests, grasses, always near water
Adults Present:
Notes: Collected at 2800-7500' in Santa Catalina Mountains by Beatty (1961)
Records: Beatty 1961, Levi 1981, Roth 1996, NMSU collection
Reference: Beatty 1961, Levi 1981, Roth 1996

Nephila clavipes   (Linnaeus)

Size: Male 4.6-10.5 mm, female 19-34 mm
General Distribution: SE US, Mexico into South America
Distribution in Area Covered: AZ
Habitat:
Adults Present:
Notes:
Records: Levi 1980
Reference: Levi 1980

Acacesia hamata    (Hentz)

Size: Male 3.6-4.8 mm, female 4.7-9.1 mm
General Distribution: Eastern US, south to Florida and Texas, to northern Brazil
Distribution in Area Covered: TX: Brewster
Habitat: Webs in shrubs and tall weeds
Adults Present: Male July-September; female June-September
Notes: Webs built at sundown and removed at sunrise
Records: Levi 1976, Glueck 1994
Reference: Levi 1976, Glueck 1994

Acanthepeira stellata   (Walckenaer)

Size: Male 5.1-8.1 mm, female 7.0-15.1 mm
General Distribution: Canada to southern Mexico
Distribution in Area Covered: AZ: Cochise; NM: Catron, Hidalgo, San Juan
Habitat: Meadows and fields, and various shrubs, weeds and grass
Adults Present:
Notes:
Records: Levi 1976, NMSU collection
Reference:Levi 1976

Aculepeira aculata   Emerton [= A. packardi Levi]

Size: Male 5.0-8.9 mm, female 5.6-16.5 mm
General Distribution: Siberia, Alaska to Labrador, south to Chihuahua
Distribution in Area Covered: NM: San Miguel
Habitat: Lush meadows at 2500-3000 m elevation
Adults Present:
Notes:
Records: Banks 1901, Levi 1977
Reference: Banks 1901, Levi 1977

Araneus abigeatus   Levi

Size: Males 7.0 mm, females 11.0 mm
General Distribution: Rustler Park, Chiricahua Mountains, Arizona
Distribution in Area Covered: AZ: Cochise
Habitat:
Adults Present: August
Notes:
Records: Levi 1975b, Roth 1996, NMSU collection
Reference: Levi 1975b, Roth 1996

Araneus allani    Levi

Size: Male 2.7 mm, female 3.5-4.0 mm
General Distribution:Southeastern Arizona
Distribution in Area Covered: AZ: Cochise, Santa Cruz
Habitat:
Adults Present: August-September
Notes:
Records: Levi 1973, Roth 1996
Reference: Levi 1973, Roth 1996

Araneus apache   Levi

Size: Male 4.0 mm, female 7.5 mm
General Distribution: Southeastern Arizona
Distribution in Area Covered: AZ: Cochise, Graham, Pima
Habitat:
Adults Present: August- September
Notes:
Records: Levi 1975b
Reference: Levi 1975b

Araneus arizonensis   (Banks)

Size: Male 4.3-4.8 mm, female 4.2-6.1 mm
General Distribution: Arizona, Colorado, New Mexico
Distribution in Area Covered: AZ: Cochise, Gila, Santa Cruz; NM: Lincoln
Habitat:
Adults Present:
Notes:
Records: Levi 1973, Gertsch & Riechert 1976, Roth 1996
Reference: Levi 1973, Gertsch & Riechert 1976, Roth 1996

Araneus bicentenarius   (McCook)

Size: Male 7 mm, female 15 mm
General Distribution: Nova Scotia south to Florida and west to Minnesota and New Mexico
Distribution in Area Covered: NM: Rio Arriba
Habitat: Trees in wooded areas.
Adults Present:
Records: Levi 1971a
Reference: Levi 1971a

Araneus cochise   Levi

Size: Female 3.7 mm
General Distribution: Southeastern Arizona
Distribution in Area Covered: AZ: Cochise
Habitat: Mountains at 1800 m
Adults Present: July
Notes:
Records: Levi 1973, Roth 1996
Reference: Levi 1973, Roth 1996

Araneus detrimentosus   (O. Pickard-Cambridge)

Size: Male 3.8 mm, female 5.3 mm
General Distribution: Western Florida to central California, south to Panama
Distribution in Area Covered: AZ: Santa Cruz
Habitat: Webs on shrubs and trees, such as mesquite, junipers and elms
Adults Present: Male May-October, female March- October
Notes: Used as the type species for the genus Cambridgepeira by Archer (1951)
Records: Levi 1973
Reference: Levi 1973

Araneus gemma   McCook

Size: Male 5.8-8.5 mm, female 9-19 mm
General Distribution: Texas
Distribution in Area Covered: TX: Brewster
Habitat:
Adults Present:
Notes:
Records: Vogel 1970
Reference: Vogel 1970

Araneus gemmoides   Chamberlin & Ivie

Size: Males 5.4-7.9 mm, females 13-25 mm
General Distribution: British Columbia to Wisconsin, south to Missouri and Arizona
Distribution in Area Covered: AZ: Cochise, Coconino, Pima
Habitat:
Adults Present:
Notes: Collected at 6900 ft. in Santa Catalina Mountains by Beatty (1961)
Records: Beatty 1961, Roth 1996
Reference: Beatty 1961, Roth 1996

Araneus guerrerensis   Chamberlin & Ivie [= A. chiricahua Levi]

Size: Male 2.8-3.5 mm, female 3.0-3.9 mm
General Distribution: Arizona south to Hidalgo and Distrito Federal, Mexico
Distribution in Area Covered: AZ: Cochise
Habitat: Low vegetation and pines
Adults Present: August
Notes:
Records: Levi 1973, Roth 1996
Reference: Chamberlin & Ivie 1936, Levi 1973, Roth 1996

Araneus illaudatus   (Gertsch and Mulaik) [= A. pima Levi]

Size: Male 2.9-7.9 mm, female 11.5-27 mm
General Distribution: Utah south to Arizona, New Mexico and Texas
Distribution in Area Covered: AZ: Cochise, Pima, NM: Colfax, Doña Ana, Hidalgo, Union; TX: Brewster
Habitat:
Adults Present:
Notes: Collected at 9100' in Santa Catalina Mountains by Beatty (1961).
Records: Beatty 1961, Levi 1971a, 1975b, Roth 1996, Dean 1996, NMSU collection
Reference: Beatty 1961, Levi 1971a, 1975b, Roth 1996, Dean 1996

Araneus mammatus   (Archer)

Size: Male 5.8 mm, female 8.0 mm
General Distribution:Arizona and New Mexico
Distribution in Area Covered: AZ: Cochise, NM: Santa Fe
Habitat:
Adults Present:
Notes:
Records: Levi 1975b, Roth 1996
Reference: Levi 1975b, Roth 1996

Araneus nordmanni   (Thorell)

Size: Male 7.5 mm, female 15 mm
General Distribution: From Canada south into Mexico, except the Great Plains
Distribution in Area Covered:  AZ: Cochise, Coconino, Pima; NM: Otero
Habitat: Trees and boulders in dark coniferous forests, often at high elevations
Adults Present:
Notes: Collected at 6000 ft. in Santa Catalina Mountains by Beatty (1961)
Records: Beatty 1961, Levi 1971a, Roth 1996
Reference: Beatty 1961, Levi 1971a, Roth 1996

Araneus pegnia   (Walckenaer)

Size: Male 2.5-4.9 mm, female 3.5-8.2 mm
General Distribution: Eastern United States to East Texas, southeastern Arizona and southern California
Distribution in Area Covered: AZ: Cochise; NM: Hidalgo
Habitat: Wet areas
Adults Present:
Notes:
Records: Levi 1973, Roth 1996
Reference: Levi 1973, Roth 1996

Araneus santarita   (Archer)

Size: Female 17 mm
General Distribution: Only known from Arizona
Distribution in Area Covered: AZ: Cochise, Santa Cruz
Habitat: ?
Adults Present: ?
Notes:
Records: Levi 1971a, 1975?, Roth 1996
Reference: Levi 1971a, 1975?, Roth 1996

Araneus thaddeus   (Hentz) [= Neosconella montana Archer]

Size: Males 3.7-5,7 mm, females 5.9-8.0 mm
General Distribution: New England to Minnesota, southwest to Utah and Southeast Arizona and south to central Mexico
Distribution in Area Covered: AZ: Cochise, Pima, Santa Cruz
Habitat: Edges of forests
Adults Present:
Notes: Collected at 7900-8000 ft. in Santa Catalina Mountains by Beatty (1961).
Records: Beatty 1961, Levi 1973, Roth 1996
Reference: Beatty 1961, Levi 1973, Roth 1996

Araneus trifolium   (Hentz)

Size: Male 5-8 mm, female 9-20 mm
General Distribution: Canada south to mid California, northern New Mexico and northern Alabama
Distribution in Area Covered: NM: Colfax
Habitat:Meadows and edges of fields in herbaceous plants
Adults Present:
Notes:
Records: Levi 1971a
Reference: Levi 1971a

Aranieilla displicata   (Hentz)

Size: Male 4.0-5.0mm, female 4.8-7.2 mm
General Distribution: Europe and North America, Arctic to North Carolina and Alabama, west to Arizona
Distribution in Area Covered: AZ: Cochise; NM: Northern part of state, White Mountains, Cibola
Habitat: Small webs often among leaves of bushes or under single leaf
Adults Present:
Notes:
Records: Levi 1974, Roth 1996
Reference: Levi 1974, Roth 1996

Argiope argentata   (Fabricius)

Size: Male 4.0 mm, female 12 mm
General Distribution: Southern California, Arizona and Florida, south to central Argentina
Distribution in Area Covered: AZ: Santa Cruz
Habitat: Webs on shrubs
Adults Present:
Notes:
Records: Levi 1968
Reference: Levi 1968

Argiope aurantia   Lucas

Size: Male 5.5 mm, female 14-25 mm
General Distribution: Nova Scotia, southern Ontario, south to Guatemala City Guatemala but absent from predominantly arid areas
Distribution in Area Covered: NM: Bernalillo, Doña Ana
Habitat: Limited to margins of lakes, stream banks, near ponds or sinks in swamps, and meadows of high grass and goldenrod
Adults Present:
Notes:
Records: Levi 1968, NMSU collection
Reference: Levi 1968

Argiope trifasciata   (Forskal)

Size: Male 5.5-5.8 mm, female 12-26 mm
General Distribution: Southern Canada, south to southern South America
Distribution in Area Covered: AZ: Cochise, Pima, Yuma; NM: Bernalillo, Doña Ana, Hidalgo, Sandoval; TX: Widespread
Habitat: Range lands, tall grass at edges of fields, broomweed, cotton, oak, peanuts, miscellaneous vegetation
Adults Present: Male June-September, October; female January, July-November
Notes: Only silvery, large orb-weaver in our area; collected at 2400' in Santa Catalina Mountains by Beatty (1961)
Records: Beatty 1961, Levi 1968, Dean 1996, Roth 1996, NMSU collection
Reference: Beatty 1961, Levi 1968, Dean 1996, Roth 1996

Cyclosa berlandi    Levi

Size: Male 2.8-3.9 mm, female 4.2-6.5 mm
General Distribution:
Distribution in Area Covered: TX: Brewster
Habitat:
Adults Present: Female September
Notes:
Records: Levi 1999
Reference: Levi 1999

Cyclosa conica   (Pallas)

Size: Male 3.5-4.9 mm, female 3.6-7.9 mm
General Distribution:
Distribution in Area Covered: AZ: Pima?; NM: Western 2/3
Habitat:
Adults Present:
Notes: Collected at 7500-8300' in Santa Catalina Mountains by Beatty (1961)? (could be C. turbinata)
Records: Beatty 1961; Levi 1977
Reference: Beatty 1961; Levi 1977

Cyclosa turbinata   (Walckenaer)

Size: Male 2.1-3.2 mm, female 3.3-5.2 mm
General Distribution: Most of Texas, southern Arizona, south into Mexico
Distribution in Area Covered: AZ:  Cochise; NM: Hidalgo; TX: Widespread
Habitat: Bluebonnets, cotton, croton, prickly pear, oaks, elms
Adults Present: Male April-September; female March-October
Notes:
Records: Levi 1977, Roth 1996, Dean 1996, NMSU collection
Reference: Levi 1977, Roth 1996, Dean 1996

Eriophora edax   (Blackwall)

Size: Male 8-12 mm, female 12-16 mm
General Distribution: Southern parts of California, Arizona and Texas, south Peru and Brazil
Distribution in Area Covered: Southern AZ
Habitat:
Adults Present:
Notes:
Records: Levi 1970
Reference: Levi 1970

Eustala anastera   (Walckenaer)

Size: Male 3.9-9.5 mm, female 5.4-10.0 mm
General Distribution: Southern Canada and most of United States, south to Central America
Distribution in Area Covered: AZ: Cochise?; TX: Widespread
Habitat: Brush, cotton, grass, mesquite, paintbrush, pasture, peanuts, junipers, oak, elm
Adults Present: Male March-September; female April-July, September, October
Notes:
Records: Levi 1977, Dean 1996
Reference: Levi 1977, Dean 1996

Eustala conchlea   (McCook)

Size: Male 4.3-5.0 mm, female 4.6-7.9 mm
General Distribution: Central California coast, Arizona, Baja California and Sinaloa
Distribution in Area Covered: AZ
Habitat:
Adults Present:
Notes:
Records: Levi 1977, Dean 1996
Reference: Levi 1977, Dean 1996

Eustala rosae   Chamberlin & Ivie

Size: Male 5.0-5.9 mm, female 6.8-9.0 mm
General Distribution: Oregon, Utah to Baja California, New Mexico and Chihuahua
Distribution in Area Covered: AZ: Cochise; NM: Los Alamos
Habitat:
Adults Present:
Notes:
Records:
Reference: Levi 1977, Roth 1996

Gea heptagon   (Hentz)

Size: 2.5-4.5 mm
General Distribution: New Jersey and Michigan south to the Caribbean and Panama, west to southern California
Distribution in Area Covered: AZ: Yuma
Habitat: Agricultural fields in Yuma Co. AZ
Adults Present:
Notes:
Records: Levi 1977, Florida State Collection of Arthropods
Records: Levi 1977

Hypsosinga funebris   (Keyserling) [= H. singaeformis (Scheffer)]

Size: Male 2.4-3.5 mm, female 2.9-5.0 mm
General Distribution: Canada to Mexico
Distribution in Area Covered: AZ: Yuma; TX: Val Verde
Habitat: Edges of fields
Adults Present:
Notes:
Records: Levi 1971b, Florida State Collection of Arthropods
Reference: Levi 1971b

Kaira sabino    Levi

Size: Female 5.8 mm
General Distribution: Only known from Arizona
Distribution in Area Covered: AZ: Cochise, Pima
Habitat:
Adults Present:
Notes: Male is unknown
Records: Levi 1977, Roth 1996
Reference: Levi 1977, Roth 1996

Larinia borealis   Banks

Size: Male 3.9-5.4 mm, female 4.5-8.0 mm
General Distribution: New England and southern Canada to eastern Washington and south to Kansas, Virginia and Chihuahua
Distribution in Area Covered:AZ: Apache?; NM: Union, northern and central part part of state
Habitat: Old fields, pine forests, prairie, tall grasses and herbs
Adults Present: May-October
Notes:
Records: Levi 1975a, UNM collection
Reference: Levi 1975a

Larinia directa      (Banks)

Size: Male 3.9-5.4 mm, female 4.5-8.0 mm
General Distribution:
Distribution in Area Covered: AZ: Cochise, Pima, Yuma; TX: Brewster, Presidio
Habitat: Old fields, pine forests, prairie, tall grasses and herbs, bluebonnets
Adults Present: March-December
Notes:  Collected at 2700' in Santa Catalina Mountains by Beatty (1961)
Records: Beatty 1961, Levi 1975a, Roth 1996, Dean 1996
Reference: Beatty 1961, Levi 1975a, Roth 1996, Dean 1996

Larinia famlatoria   (Keyserling)

Size: Male 2.9-3.3 mm, female 3.2-5.6 mm
General Distribution: S. Canada through Wyoming, Idaho, W. Kansas to S. Mexico
Distribution in Area Covered: AZ:
Habitat:
Adults Present:
Notes:
Records: Levi 1975a
Reference: Levi 1975a

Larinoides cornutus   (Clerck) [= Nuctenea cornuta (Clerck)]

Size: Male 4.7-8.5 mm, female 6.5-14.0 mm
General Distribution: Holarctic, perhaps worldwide
Distribution in Area Covered: NM: Grant?
Habitat: In bushes near houses or water
Adults Present:
Notes:
Records: Levi 1974, Roth 1996
Reference: Levi 1974, Roth 1996

Larinoides patagiatus   (Clerck) [= Nuctenea patagiata (Clerck)]

Size: Male 5.8-6.5 mm, female 5.5-11.0 mm
General Distribution: Holarctic, south to Arizona and North Carolina in North America
Distribution in Area Covered: AZ: Navajo?
Habitat: In bushes near houses or water
Adults Present:
Notes:
Records: Levi 1974
Reference: Levi 1974

Mangora fascialata   Franganillo

Size: Male 2.0 mm, female 3.2-3.6 mm
General Distribution: Southern Texas and Baja California to El Salvador and Honduras, Hispaniola and Cuba
Distribution in Area Covered: TX: Brewster
Habitat:Herbs and shrubs in live oak oak thickets
Adults Present: April- December
Notes:
Records: Levi 1975
Reference: Levi 1975

Mangora gibberosa   (Hentz)

Size: Male 2.603.2 mm, female 3.4-4.8 mm
General Distribution:
Distribution in Area Covered: TX: Presidio
Habitat:.
Notes:
Records: Levi 1975, Texas A & M
Reference: Levi 1975

Mangora passiva      (O. P.-Cambridge)

Size: Male 2.2-2.7 mm, female 3.6-5.5 mm
General Distribution: Arizona and New Mexico south to Guatemala
Distribution in Area Covered:: AZ: Cochise, Coconino, Pima, Santa Cruz,; NM: Lincoln
Habitat: Shrubs in pine forest and along streams
Adults Present:
Notes: Found at 1500-2300 m elevation.  Collected at 5600-8000 ft. in Santa Catalina Mountains by Beatty (1961)
Records: Beatty 1961, Levi 1975, Roth 1996
Reference Beatty 1961, Levi 1975, Roth 1996

Mastophora cornigera   Hentz

Size: Male 1.5-2.25mm, female 11.0-15.0 mm
General Distribution:
Distribution in Area Covered: AZ: Cochise, Maricopa
Habitat:
Adults Present:
Notes:
Records: Gertsch 1955, Roth 1996
Reference: Gertsch 1955, Roth 1996

Metepeira arizonica    Chamberlin & Ivie

Size: Male 2.7-3.8 mm, female 4.7-8.4 mm
General Distribution: West Texas and Southern Chihuahua to southern California
Distribution in Area Covered: AZ: Cochise, Pima; NM: Doña Ana, Hidalgo, Lincoln; TX: "West" (Localities)
Habitat: Oak-pine-juniper woodlands, cactus and agricultural fields
Adults Present: Male March-November, female March-December
Notes: Collected at 2400-7000 ft. in Santa Catalina Mountains by Beatty (1961)
Records: Beatty 1961, Levi 1977, Roth 1996, Dean 1996, NMSU collection
Reference: Beatty 1961, Levi 1977, Roth 1996, Dean 1996

Metepeira Comanche   Levi

Size: Male 3.2-5.2 mm, female 4.5-7.2 mm
General Distribution: Texas, New Mexico and Chihuahua
Distribution in Area Covered: NM: Doña Ana, Eddy, Hidalgo, TX: Brewster
Habitat:
Adults Present: February, May-November
Notes:
Records: Levi 1977, Dean 1996, NMSU collection
Reference: Levi 1977, Dean 1996

Metepeira foxi   Gertsch & Ivie

Size: Male 2.7-4.5 mm, female 3.6-6.1 mm
General Distribution: Alberta and British Columbia south to California and West Texas
Distribution in Area Covered: AZ: Cochise; NM: Catron, Guadalupe, McKinley, Sandoval, TX: Jeff Davis
Habitat: Sagebrush, saltbush, hilaria, pine woods and meadows
Adults Present: March-July
Notes:
Records: Levi 1977, Roth 1996; Dean 1996
Reference: Levi 1977, Roth 1996; Dean 1996

Metepeira gosoga   Chamberlin & Ivie

Size: Male 4.4-5.8 mm, female7.5-9.4 mm
General Distribution: Southern Utah to Arizona and California
Distribution in Area Covered: AZ: Santa Cruz? Others?
Habitat: Desert vegetation
Adults Present: June-August
Notes:
Records: Levi 1977
Reference: Levi 1977

Metepeira grandiosa   Chamberlin & Ivie

Size: Male 3.1-5.3 mm, female 4.0-6.8 mm.
General Distribution: Saskatchewan and British Columbia south to Chihuahua
Distribution in Area Covered: AZ:, NM: Hidalgo
Habitat: Meadows, oak-juniper, sagebrush and bunch grass
Adults Present: June-August
Notes:
Records: Levi 1977, NMSU Arthropod Museum
Reference: Levi 1977

Metepeira spinipes   O.P.-Cambridge [= M. grinnelli (Coolidge)].

Size: Male 3.6-6.7 mm, female 5.0-9.4 mm
General Distribution: California and Oregon to Arizona, Sonora and Chihuahua
Distribution in Area Covered: AZ: Cochise, Pima, Santa Cruz -- others?
Habitat:
Adults Present: July-October
Notes:
Records: Levi 1977
Reference: Levi 1977

Metepeira labyrinthea   (Hentz)

Size: Male 3.0-6.8 mm, female 4.0-8.6 mm
General Distribution: Eastern U.S. to far western Oklahoma and the Big Bend of Texas
Distribution in Area Covered: NM: prob. Union Co.; TX: Brewster
Habitat:Shrubs in forested areas, indoors, peanuts
Adults Present: Male May-August, female Spring to late fall
Notes:
Records: Vogel 1970, Levi 1977, Dean 1996
Reference: Vogel 1970, Levi 1977, Dean 1996

Micrathena funebris   (Marx)

Size: Male 4.0-4.1 mm, female 5.8-7.2 mm
General Distribution: Arizona and Baja California, south to Guatemala
Distribution in Area Covered: AZ: Pima
Habitat:
Adults Present:
Notes: Collected at 2700' in Santa Catalina Mountains by Beatty (1961)
Records: Beatty 1961
Reference: Beatty 1961

Neoscona arabesca   (Walckenaer)

Size: Male 4.2-9.2 mm, female 5.2-12.3 mm
General Distribution: Southern Canada, entire United States and south to Guatemala
Distribution in Area Covered: AZ: Cochise, Yavapai, other; NM: Doña Ana, Lincoln, San Miguel; TX: Widespread
Habitat:Shrubs, meadows, junipers and swampy areas, bluebonnets, citrus, cotton, croton, mesquite, oak, paintbrush, pasture, peanuts
Adults Present: Male February-October, December; female February-October
Notes:
Records: Berman and Levi 1971, Roth 1996, Dean 1996
Reference: Berman and Levi 1971, Roth 1996, Dean 1996

Neoscona crucifera   (Lucas) [= N. hentzi (Keyserling)]

Size: Male 4.5-15.0 mm, female 8.5-19.7 mm
General Distribution: Ontario and Massachusetts south to central Mexico and west to Arizona
Distribution in Area Covered: AZ: Cochise, Pima, Santa Cruz, Yavapai, others?? NM: Chaves, Eddy, Lea; TX: Widespread
Habitat:Open woods, pine woodland, junipers
Adults Present: Male April, August, September; female July-November
Notes:
Records: Roth 1996, Dean 1996, NMSU collection
Reference: Berman and Levi 1971, Roth 1996, Dean 1996

Neoscona oaxacensis   (Keyserling)

Size: Male 6.3-12.7 mm, female 8.9-18.0 mm
General Distribution: Kansas and California south to Venezuela and Peru
Distribution in Area Covered: AZ: Cochise, Greenlee, Maricopa, Mohave, Pima, Pinal, Yuma; NM: Cibola, Doña Ana, Hidalgo, Eddy, Lincoln, Luna; TX: Jeff Davis, Presidio
Habitat Edges of agricultural fields, gardens, shrubs, tall grass, junipers, old houses and bridges
Adults Present: June-December at least
Notes: Collected at 2300-2700 ft. in Santa Catalina Mountains by Beatty (1961)
Records: Beatty 1961, Berman and Levi 1971, Roth 1996, Dean 1996, NMSU collection
Reference:  Beatty 1961, Berman and Levi 1971, Roth 1996, Dean 1996

Neoscona orizabensis   F.O. Pickard-Cambridge

Size: Male 6.1-8.0 mm, female 10.3-15.1 mm
General Distribution: Mexico to southern New Mexico
Distribution in Area Covered: NM: Otero
Habitat: Mountain meadow
Adults Present:
Notes:
Records: NMSU Arthropod Museum (Identified by H. W. Levi)
Reference: Berman and Levi 1971

Neoscona utahana   (Chamberlin)

Size: Male 6.2-8.0 mm, female 8.8-10.4 mm
General Distribution: Utah, Colorado and Kansas south to southern Chihuahua and Coahuila, Mexico
Distribution in Area Covered: NM: Lincoln?, Otero? TX: Big Bend (county?)
Habitat: Citrus, cotton
Adults Present: Male August; female June, October
Notes:
Records:
Reference: Berman and Levi 1971

Ocrepeira globosa   (F. O. Pickard-Cambridge) [= Wixia globosa F. O. Pickard-Cambridge]

Size: Male 5.0 mm, female 3.7-6.3 mm
General Distribution: Kansas, Arizona, south to southern Mexico
Distribution in Area Covered: AZ: Cochise
Habitat:
Adults Present:
Notes:
Records: Levi 1976, Roth 1996
Reference: Levi 1976, Roth 1996

Allocosa apora   (Gertsch)

Size: Male 4.1-5.9 mm, female 4.8-7.1 mm
General Distribution: Utah south to Costa Rica
Distribution in Area Covered: AZ: Maricopa, Navajo, Pinal, Santa Cruz
Habitat:
Adults Present:
Notes:
Records: Dondale & Redner 1983b
Reference: Dondale & Redner 1983b

Allocosa chamberlini   (Gertsch)

Size: Male 3.5-5.9 mm, female 4.8-6.8 mm
General Distribution: Montana and Nebraska, south to Arizona and New Mexico
Distribution in Area Covered: AZ: Cochise, Pima, Santa Cruz, Yavapai; NM: Los Alamos
Habitat: Under stones near water
Adults Present:
Notes:
Records: Dondale & Redner 1983b, Roth 1996
Reference: Dondale & Redner 1983b, Roth 1996

Allocosa mokiensis   (Gertsch)

Size: Male 5.4-7.3 mm, female 6.0-9.6 mm
General Distribution: Arizona and New Mexico
Distribution in Area Covered: AZ: Cochise, Coconino, Gila, Graham, Navajo, Pima, Santa Cruz, Yavapai; NM: Grant, Socorro
Habitat: Leaf litter beside streams and on stones in running water at elevations up to 2280 m
Adults Present: March- December
Notes: Collected at 2800-8300 ft. in Santa Catalina Mountains by Beatty (1961)
Records: Beatty 1961, Dondale & Redner 1983b, Roth 1996
Reference: Beatty 1961, Dondale & Redner 1983b, Roth 1996

Allocosa morelosiana    (Gertsch & Davis)

Size: Male 3.7-5.0 mm, female 4.9-6.5 mm
General Distribution: Arizona and New Mexico to central Mexico
Distribution in Area Covered: AZ: Cochise, Santa Cruz; NM: Grant, Lincoln, San Miguel
Habitat: Oak and pinyon-juniper woodland
Adults Present: May-August
Notes:
Records: Dondale & Redner 1983b, Roth 1996, UNM collection, NMSU collection
Reference: Dondale & Redner 1983b, Roth 1996

Allocosa noctuabunda    (Montgomery)

Size: Male 5.5-8.1 mm, female 6.2-9.2 mm
General Distribution: Indiana and Arkansas west to Oklahoma, New Mexico and Texas, south into northern Mexico
Distribution in Area Covered: NM: San Miguel, TX: Jeff Davis
Habitat:
Adults Present: Males April-July, females April-August
Notes:
Records: Dondale & Redner 1983b
Reference: Dondale & Redner 1983b

Allocosa parva   (Banks) [= Trochosa parva]

Size: Male 4.5-6.7 mm, female 5.5-8.3 mm
General Distribution: Colorado and Utah south to Costa Rica
Distribution in Area Covered: AZ: Cochise, Greenlee; NM: Lincoln, Los Alamos, Otero, San Miguel, Santa Fe, Taos
Habitat: Dry grassland, under stones, in leaf litter and in buildings
Adults Present: February to November
Notes:
Records: Dondale & Redner 1983b, Roth 1996
Reference: Dondale & Redner 1983b, Roth 1996

Allocosa pylora    Chamberlin

Size: Male 5.5-7.2 mm, female 7.3 mm
General Distribution: Arizona to central Texas
Distribution in Area Covered: AZ: General record; NM: San Miguel; TX: El Paso
Habitat:
Adults Present:
Notes:
Records: Dondale & Redner 1983b
Reference: Dondale & Redner 1983b

Allocosa subparva   Dondale & Redner

Size: Male 4.8-7.9 mm, female 5.7-9.3 mm
General Distribution: Oregon and Idaho, south to Nayarit, Mexico
Distribution in Area Covered: AZ: Apache, Cochise, Pima, Pinal, Santa Cruz
Habitat: Beaches of lakes and rivers, creek beds, crevices under stones, lawns up to 2200 m
Adults Present: Year-round
Notes:
Records: Dondale & Redner 1983b, Roth 1996
Reference: Dondale & Redner 1983b, Roth 1996

Allocosa utahana   Dondale & Redner

Size: Male 6.4 mm, female 4.7-6.0 mm
General Distribution: Utah to New Mexico
Distribution in Area Covered: NM: San Miguel
Habitat:
Adults Present:
Notes:
Records: UNM collection
Reference: Dondale & Redner 1983b

Allocosa   sp.

Size:
General Distribution:
Distribution in Area Covered: AZ: Cochise
Habitat:
Adults Present:
Notes:
Records: Roth
Reference: Roth

Alopecosa aculeata   (Clerck)

Size: Male 7.24-9.45 mm, female 8.13-11.30 mm
General Distribution: Canada and Alaska, south to New England, Mississippi and New Mexico
Distribution in Area Covered: NM: Los Alamos
Habitat:
Adults Present:
Notes:
Records: Dondale & Redner 1979
Reference: Dondale & Redner 1979

Alopecosa kochi   (Keyserling)[= Tarentula kochi]

Size: Male 6.6-11.4 mm, female 9.0-11.0 mm
General Distribution: Southern British Columbia to southern Ontario and Massachusetts, southward to Baja California and Texas
Distribution in Area Covered: AZ: Cochise, Pima, Yuma; NM: Cibola,  Doña Ana, Grant, Hidalgo, San Miguel, Sandoval
Habitat: Common from pi&ntildeon-juniper woodland to mixed-conifer forest
Adults Present:
Notes: Collected at 7500-9100' in Santa Catalina Mountains by Beatty (1961)
Records: Beatty 1961, Muma 1980, Roth 1996, NMSU Arthropod Museum and UNM collection
Reference: Beatty 1961, Muma 1980, Roth 1996

Arctosa alpigena   (Doleschall)

Size: Male 4.8-6.4 mm, female 6.7-9.3 mm
General Distribution: Alaska to Labrador, south to Arizona New Mexico and New Hampshire; Greenland; Europe and Asia
Distribution in Area Covered: NM: Bernalillo
Habitat: Bogs, tundra, alpine meadows, pine forests
Adults Present: June-September
Notes:
Records: Dondale & Redner 1983
Reference: Dondale & Redner 1983

Arctosa littoralis   (Hentz)

Size: Male 9.6-12.8 mm, female 11.2-14.7 mm
General Distribution: Interior British Columbia to Nova Scotia, south to Panama
Distribution in Area Covered: AZ: Cochise, Pima, Yuma; NM: Los Alamos; TX: Brewster
Habitat: Rocky stream beds
Adults Present: February to November
Notes: Collected at 2800' in Santa Catalina Mountains by Beatty (1961)
Records: Beatty 1961, Vogel 1970, Dondale & Redner 1983, Roth 1996
Reference: Beatty 1961, Vogel 1970, Dondale & Redner 1983, Roth 1996

Camptocosa parallela   (Banks) [= Schizocosa celerior Chamberlin ]

Size: Male 5.58±0.29 mm, female 6.46±0.56 mm
General Distribution: Interior California east to southern Utah and Texas, south to Baja California Sur and Durango
Distribution in Area Covered: AZ: Cochise, Coconino Maricopa, Pima, Santa Cruz, Yavapai; NM: Doña Ana, Hidalgo, Los Alamos; TX: Brewster
Habitat: Along streams, open stony or sandy ground; most active after sunset
Adults Present: Males mid-May to early August; females mid-June to mid-September
Notes: Collected on Jornada Experimental Range under Yucca trunks
Records: Dondale et al. 2005, NMSU Arthropod Museum, UNM collection
Reference: Dondale et al. 2005

Camptocosa texana   Dondale, Jimenez & Nieto

Size: Male 5.98-6.03 mm
General Distribution: Texas
Distribution in Area Covered: TX: Culberson
Habitat: Open areas and caves
Adults Present: Males April-July
Notes: Female not known
Records: Dondale et al. 2005, Texas A & M collection
Reference: Dondale et al. 2005

Geolycosa gosoga   (Chamberlin)

Size:
General Distribution: Southern California and Arizona
Distribution in Area Covered: AZ: Pima
Habitat:
Adults Present: July-August
Notes:
Records: Wallace 1942a
Reference: Wallace 1942a

Geolycosa missouriensis   (Banks)

Size: Male carapace length 8.4 mm, female carapace length 9.7 mm
General Distribution: Eastern US and Great Plains to coastal plain of Texas, and west of eastern flank of the Rockies
Distribution in Area Covered: NM: Otero, San Miguel, Santa Fe
Habitat:
Adults Present: June-October
Notes:
Records: NMSU Arthropod Museum
Reference: Wallace 1942a

Geolycosa rafaelana   (Chamberlin)

Size: Female 12 mm
General Distribution:
Distribution in Area Covered: NM: Doña Ana, Grant, Lincoln
Habitat: Burrows in desert floor
Adults Present: May-August
Notes:
Records: Gertsch and Riechert 1976, Muma 1980, NMSU Arthropod Museum
Reference: Gertsch and Riechert 1976, Muma 1980

Geolycosa uinticolens   (Chamberlin)

Size: Female 16 mm
General Distribution:
Distribution in Area Covered: AZ: Navajo
Habitat:
Adults Present: July
Notes:
Records: Wallace 1942a
Reference: Wallace 1942a

Geolycosa wrightii   (Emerton)

Size: Male carapace length 7.2 mm, female carapace length 8.6 mm
General Distribution: Great Lakes to S. Dakota and Manitoba; Oklahoma
Distribution in Area Covered: NM: Union?
Habitat:
Adults Present: May-October
Notes:
Records: NMSU Arthropod Museum
Reference: Wallace 1942a

Gladicosa gulosa   (Walckenaer)

Size: Male 11.46±0.30 mm, female 13.18±0.49 mm
General Distribution: Eastern United States, west to Utah and New Mexico
Distribution in Area Covered: NM: Los Alamos
Habitat:
Adults Present: January-October
Notes:
Records:
Reference: Brady 1986

Hesperocosa unica   (Gertsch & Wallace) [= Schizocosa unica ]

Size: Male 4.0 mm, female 5.9 mm
General Distribution: Arizona, New Mexico and Texas
Distribution in Area Covered: AZ: Cochise; NM: Doña Ana, Grant, Lincoln; TX: Terrell
Habitat: Desert
Adults Present: July
Notes:
Records: Vogel 1970, Gertsch & Riechert 1976, Muma 1980, Roth 1996, NMSU Arthropod Museum
Reference: Vogel 1970, Gertsch & Riechert 1976, Muma 1980, Roth 1996

Hogna antelucana   (Montgomery)

Size
General Distribution: Southern US from Florida to Texas, north to Kentucky; Arizona, Utah, California
Distribution in Area Covered: AZ: Cochise, Pima, Yuma; NM: Otero; TX: Presidio, Val Verde
Habitat:
Adults Present:
Notes: Collected at 2400-2700' in Santa Catalina Mountains by Beatty (1961)
Records: Beatty 1961, Muma 1975, Roth 1996, Texas A & M collection
Reference: Gertsch & Wallace 1935, Beatty 1961, Muma 1975, Roth 1996

Hogna baltimoriana   (Keyserling) [= H. benedicta (Chamberlin)]

Size: Male 14.84-15.57 mm, female 17.80 mm
General Distribution: Minnesota to southern Ontario and Massachusetts, south to Arizona and Florida
Distribution in Area Covered: AZ:
Habitat:
Adults Present: Males September-November, females September-November, April
Notes:
Records: Chamberlin 1925
Reference: Chamberlin 1925, Dondale & Redner 1990

Hogna carolinensis   (Hentz)

Size: Male 19.00 mm, female 20.32-30.00 mm
General Distribution: Southern United States into Mexico
Distribution in Area Covered: AZ: Cochise, Pima, Yuma; NM: Doña Ana, Lincoln, San Miguel, Sandoval, Santa Fe; TX: Terrell
Habitat:
Adults Present:
Notes: Collected at 2700-4500 ft. in Santa Catalina Mountains by Beatty (1961)
Records: Beatty 1961, Vogel 1970, Roth 1996, NMSU Arthropod Museum
Reference: Banks 1901, Beatty 1961, Vogel 1970, Dondale & Redner 1990, Roth 1996

Hogna coloradensis   (Banks)

Size: Male 10.99 mm, female 13.67-14.46 mm
General Distribution: Northern Mexico, eastern Arizona, New Mexico, Colorado, west Texas
Distribution in Area Covered: AZ: Cochise; NM: Doña Ana, Grant, Lincoln, Otero; TX: El Paso, Pecos
Habitat: Makes burrows in sandy and grassland habitats
Adults Present: February-July
Notes:
Records: Muma 1975, Gertsch & Riechert 1976, Muma 1980, Roth 1996, Slowik & Cushing 2007, Texas A & M collection
Reference: Muma 1975, Gertsch & Riechert 1976, Muma 1980, Roth 1996, Slowik & Cushing 2007

Hogna frondicola   (Emerton) [= Lycosa modesta (Thorell)]

Size: Male 10.28&plusmn1.10 mm, female 12.02±1.31 mm;
General Distribution: Eastern United States, Kansas, west to Montana, Utah and Arizona
Distribution in Area Covered: AZ:; NM: San Miguel
Habitat: Meadows, leaf litter in forests
Adults Present: July-August
Notes:
Records:
Reference: Banks 1901, Chamberlin 1908, Dondale & Redner 1990

Hogna retenta   (Gertsch & Wallace)

Size:
General Distribution:
Distribution in Area Covered: AZ: Cochise; TX: Brewster, Val Verde
Habitat:
Adults Present:
Notes:
Records: Vogel 1970, Roth 1996
Reference: Gertsch & Wallace, 1935, Vogel 1970, Roth 1996

Hogna nr. antelucana   (Montgomery)

Size
General Distribution:
Distribution in Area Covered: AZ: Cochise
Habitat:
Adults Present:
Notes:
Records: Roth 1996
Reference: Roth 1996

Pardosa anomala   Gertsch

Size: Male 6.93±0.35 mm, female 7.36±0.80 mm
General Distribution: Montana, Wyoming, Utah, Colorado; Canada
Distribution in Area Covered: NM: Mora
Habitat: High elevation forests
Adults Present: August
Notes:
Records: Gertsch 1933b
Reference: Gertsch 1933b, Dondale & Redner 1990, Vogel 2004

Pardosa bellona   Banks

Size: Male 4.50±0.34 mm, female 4.85±0.35 mm
General Distribution: California, Nevada; Mexico
Distribution in Area Covered: AZ: Yuma
Habitat:
Adults Present: Males December-February, and June-September; females January, March, June-September, November
Notes:
Records: Roth unpublished list
Reference: Dondale & Redner 1984, Vogel 2004

Pardosa bucklei   Kronestedt

Size: Male 6.86±0.70 mm, female 7.86±1.03 mm
General Distribution: Oregon, California, Idaho, Montana, Wyoming, Utah, Colorado, Arizona, New Mexico, Nebraska; Canada
Distribution in Area Covered: AZ: ; NM:
Habitat: Moist grassland
Adults Present: June-July
Notes:
Records: Roth unpublished list, Dondale & Redner 1990, Dondale 1999
Reference: Dondale & Redner 1990, Dondale 1999, Vogel 2004

Pardosa californica   Keyserling

Size: Male 5.08±0.37 mm, female 6.00±0.67 mm
General Distribution: Oregon and Idaho, south to Utah and Baja California
Distribution in Area Covered: AZ:
Habitat: Under stones along creeks, in pine groves
Adults Present: Year-round
Notes:
Records: Dondale & Redner 1987
References: Dondale & Redner 1987, Vogel 2004

Pardosa coloradensis   Banks

Size: Male 6.60±0.48 mm, female 6.78±0.62 mm
General Distribution: Interior British Columbia south to California, Arizona and New Mexico
Distribution in Area Covered: NM: Los Alamos, Mora, Otero, Rio Arriba, San Miguel
Habitat: Along creeks and around lakes, in meadows, on pine- and sage-covered slopes in low foothills
Adults Present: Males April-July, females April-September
Notes:
Records: Dondale & Redner 1986
Reference: Dondale & Redner 1986, Vogel 2004

Pardosa concinna   (Thorell)
Size: Male 6.12±0.43 mm, female 6.47±0.98 mm
General Distribution: Southern Yukon territory ro Newfoundland, south to New Mexico and to Maine
Distribution in Area Covered: NM: Cibola, Los Alamos, Sandoval, Taos
Habitat: Tundra, alpine meadows, sand dunes, sage- and pine-covered slopes, grasslands
Adults Present: May-August
Notes:
Records: Dondale & Redner 1986, NMSU Arthropod Museum
Reference: Dondale & Redner 1986, Vogel 2004

Pardosa distincta   (Blackwall)

Size: Male 4.5-5.7 mm, female 4.6-6.4 mm
General Distribution: Throughout the Rocky Mts. eastward across north central US and Canada, and in the New England states
Distribution in Area Covered: NM: Los Alamos, Mora, Rio Arriba, Sandoval, San Miguel, Taos
Habitat:
Adults Present: May-August
Notes:
Records: Vogel 1964, NMSU Arthropod Museum and UNM collections
Reference: Vogel 1964, 2004

Pardosa dorsalis   Banks

Size: Male carapace length 2.33±0.10mm, female carapace length 2.51±0.1 mm
General Distribution: British Columbia and Alberta south to Arizona
Distribution in Area Covered: AZ:
Habitat: Lower elevations of conifer forests
Adults Present:
Notes:
Records: Lowrie & Dondale 1981
Reference: Lowrie & Dondale 1981, Vogel 2004

Pardosa dorsuncata   Lowrie & Dondale

Size: Male carapace length 2.31±0.01 mm, female carapace length 2.47±0.2 mm
General Distribution: Southern Alaska to northern California and southern Arizona
Distribution in Area Covered: AZ:
Habitat: Lower elevations of conifer forests
Adults Present:
Notes:
Records: Lowrie & Dondale 1981
Reference: Lowrie & Dondale 1981, Vogel 2004

Pardosa dromaea   (Thorell)

Size: Male 7.80±0.43 mm, female 8.60±0.98 mm
General Distribution: Eastern foothills of the Rocky Mts. in Canada and the US east to southern Manitoba, Minnesota, Iowa and Nebraska; part of the Great Plains fauna
Distribution in Area Covered: AZ: ; NM
Habitat: Along rivers in grass-willow and cobbles
Adults Present: April-September
Notes:
Records: Dondale & Redner 1990, Dondale 1999
Reference: Dondale & Redner 1990, Dondale 1999, Vogel 2004

Pardosa falcifera    (F. O. Pickard-Cambridge)

Size: 5-8 mm
General Distribution: Costa Rica through Mexico, into the southwestern US and Kansas
Distribution in Area Covered: AZ: Apache, Cochise, Coconino, Pima, Yavapai; NM: Bernalillo, Los Alamos, Lincoln, Otero, San Miguel; TX: Jeff Davis, Reeves
Habitat:
Adults Present: March-August
Notes:
Records: Vogel 1970 a, b, Roth 1996, NMSU Arthropod Museum and UNM collections
Reference: Vogel 1970 a, b, 2004, Roth 1996

Pardosa fuscula   (Thorell)

Size: Male 7.19±0.56 mm, female 7.22±0.66 mm
General Distribution: Alaska to Newfoundland, south to New Mexico, and northern New England
Distribution in Area Covered NM: Los Alamos, Rio Arriba, Santa Fe
Habitat: Marshes, bogs, meadows, occasionally in tundra and conifer forests
Adults Present: Males May-August, females May-September
Notes:
Records: Dondale & Redner 1987
Reference: Dondale & Redner 1987, Vogel 2004

Pardosa glacialis   (Thorell)

Size: Male 6.40±0.35 mm, female 7.28±0.88 mm
General Distribution: Northern Alaska and Canada
Distribution in Area Covered: NM: Bernalillo?
Habitat: Heath, lichens, low shrubs, beaches, tundra
Adults Present: June-August
Notes:
Records:
Reference: Dondale & Redner 1990

Pardosa groenlandica   (Thorell)

Size: Male 8.69±0.60 mm, female 9.42±1.19 mm
General Distribution: Greenland; Canada south to Great Lakes and Maine; also the Rocky Mts. to Colorado and Utah
Distribution in Area Covered: NM: Los Alamos, San Miguel?
Habitat: Tundra, bare rocks above timberline
Adults Present: May-September
Notes:
Records:
Reference: Dondale 1999, Vogel 2004

Pardosa mackenziana   

Size: Male carapace length 2.41±0.12 mm, female 2.55±0.12 mm
General Distribution: Alaska to Newfoundland, south to northern California and Colorado
Distribution in Area Covered: NM: Los Alamos
Habitat: Conifer forests
Adults Present:
Notes:
Records:
Reference: Lowrie & Dondale 1981, Vogel 2004

Pardosa montgomeryi   Gertsch

Size: Male 3.5-3.9 mm, female 3.7-5.2 mm
General Distribution: Arizona and New Mexico
Distribution in Area Covered: AZ: Apache, Cochise, Coconino; NM: Los Alamos, Otero, Sandoval
Habitat: Mountain forests
Adults Present: July-August
Notes:
Records: Gertsch 1934, Vogel 1964, Roth 1996
Reference: Gertsch 1934, Vogel 1964, 2004, Roth 1996

Pardosa mulaiki   Gertsch

Size: Male 4.36±0.26 mm, female 5.79±0.72 mm
General Distribution: Alberta to Manitoba, south to Colorado
Distribution in Area Covered: NM: Sandoval
Habitat: Grassland, meadows, dry stream beds
Adults Present: Males June-July, females June-September
Notes:
Records: Gertsch 1934, Dondale & Redner 1986, UNM collection
Reference: Gertsch 1934, Dondale & Redner 1986

Pardosa orophila   Gertsch

Size: Male 4.1-4.8 mm, female 4.3-5.6 mm
General Distribution: Arizona, New Mexico, eastern side of the Rockies in Colorado
Distribution in Area Covered: AZ: Cochise, Coconino; NM: Bernalillo, Lincoln, Los Alamos, Sandoval, San Miguel
Habitat: Mountain elevations from 7000' to 8200'
Adults Present: April-August
Notes:
Records: Gertsch 1933, Vogel 1964, Roth 1996; NMSU Arthropod Museum and UNM collection
Reference: Gertsch 1933, Vogel 1964, 2004, Roth 1996

Pardosa orthodox   Chamberlin

Size:
General Distribution: Utah, Arizona and northern Mexico
Distribution in Area Covered: AZ: Maricopa, Pima
Habitat:
Adults Present: January-July
Notes:
Records: Vogel 1970a
Reference: Vogel 1970a, 2004

Pardosa ourayensis   Gertsch

Size: Female 6.30 mm
General Distribution: Colorado, Montana
Distribution in Area Covered: NM: Mora, Rio Arriba, Santa Fe
Habitat:
Adults Present:
Notes:
Records: Gertsch 1933
Reference: Gertsch 1933, Vogel 2004 (Note: Vogel does not list this species as being found in the area covered.)

Pardosa pauxilla   Montgomery

Size: Male 4.24±0.26 mm, female 5.05±0.55 mm
General Distribution: Kansas to New Jersey, south to New Mexico, southern Texas and Florida
Distribution in Area Covered: NM: TX: Hudspeth
Habitat: Grassy pastures, edges of streams and lakes, agricultural fields
Adults Present: January-November
Notes:
Records: Dondale & Redner 1984
Reference: Dondale & Redner 1984, Vogel 2004

Pardosa sierra   Banks

Size: Male 5.81-7.67 mm, female 6.26-9.33 mm
General Distribution: California to Texas, south to Mexico
Distribution in Area Covered: AZ: Cochise, Pima; NM: Bernalillo, Los Alamos, Mora, Sandoval, San Miguel
Habitat:
Adults Present:
Notes: Collected at 2800-4200 ft. in Santa Catalina Mountains by Beatty (1961)
Records: Banks 1898, Barnes 1959, Beatty 1961, Roth 1996
Reference: Banks 1898, Barnes 1959, Beatty 1961, Roth 1996, Vogel 2004

Pardosa sternalis   (Thorell)

Size: Male 5.50±0.46 mm, female 6.28±0.74 mm
General Distribution: Southern Alberta east to Nebraska and Kansas, south to California and northern Mexico
Distribution in Area Covered: AZ: Apache, Cochise, Coconino, Pima, Pinal, Yavapai; NM: Bernalillo, Doña Ana, Grant, Lincoln, Otero, Rio Arriba, Sandoval, San Miguel, Santa Fe, Socorro, Taos; TX: Brewster, Culberson, Reeves
Habitat: Margins of lakes, rivers, and creeks.
Adults Present: Males March-September, females April-September
Notes:
Records: Vogel 1970a, Gertsch & Riechert 1976, Muma 1980, Lowrie 1985, Roth 1996, NMSU collection
Reference: Vogel 1970a, Gertsch & Riechert 1976, Muma 1980, Lowrie 1985, Dondale & Redner 1990, Roth 1996, Vogel 2004

Pardosa steva   Lowrie & Gertsch

Size: Male 5.81-8.41 mm, female 6.74-8.78 mm
General Distribution: Canada to Mexico, Oregon and California east to Wyoming and Colorado
Distribution in Area Covered: AZ: Cochise; NM: Bernalillo, Mora, Sandoval, San Miguel
Habitat:
Adults Present:
Notes: Replaces P. lapidicina in the western US
Records: Barnes 1959, Roth 1996, NMSU Arthropod Museum and UNM collections
Reference: Barnes 1959, Roth 1996, Vogel 2004

Pardosa tesquorum   (Odenwall)

Size: Male 4.83±0.44 mm, female 5.69±0.63 mm
General Distribution: Alaska to Quebec, south to Utah and northern New Mexico
Distribution in Area Covered: NM:
Habitat: Herbs and shrubs at forest margins, grassland, beaches, dry creek beds, talus slopes, tundra
Adults Present: Males May-July, females May-September
Notes:
Records: Dondale & Redner 1986
Reference: Dondale & Redner 1986, Vogel 2004

Pardosa tristis   (Thorell)

Size: Male 8.67±0.79 mm, female 9.41±0.87 mm
General Distribution: Interior British Columbia to the northern interior of California, east to western Montana, the Rocky Mt. Front Range of Colorado and northern New Mexico
Distribution in Area Covered: AZ:; NM:
Habitat: Vegetated canyons and gullies, sand dunes, beaches
Adults Present: March-September
Notes:
Records: Dondale 1999
Reference: Dondale 1999, Vogel 2004

Pardosa uncata   (Thorell)

Size: Male carapace length 2.34±0.12 mm, female carapace length 2.44±0.15 mm
General Distribution: Idaho, Utah, Colorado, New Mexico
Distribution in Area Covered: AZ: Cochise; NM: Bernalillo, Mora, Sandoval, San Miguel
Habitat: Moist conifer forest
Adults Present:
Notes:
Records: Lowrie & Dondale 1981, Roth 1996
Reference: Lowrie & Dondale 1981, Roth 1996, Vogel 2004

Pardosa utahensis   Chamberlin
v Size: Male 4.4-5.1 mm, female 4.8-5.9 mm
General Distribution: Utah, Colorado, Wyoming
Distribution in Area Covered: AZ: Pima; NM: Otero, Los Alamos
Habitat:
Adults Present:
Notes: Collected at 6800-7850 ft. in Santa Catalina Mountains by Beatty (1961)
Records: Chamberlin 1919, Beatty 1961, Vogel 1964 (no NM records!), NMSU collection
Reference: Chamberlin 1919, Beatty 1961,Vogel 1964, 2004

Pardosa vadosa   Barnes

Size: Male 6.11-7.48 mm, female 2.93(sic)-9.33 mm
General Distribution: Southern California east to mid-Texas, south to central Mexico
Distribution in Area Covered:AZ: Cochise, Pima: TX: Hudspeth, Jeff Davis
Habitat:
Adults Present:
Notes: Collected at 2800ft. in Santa Catalina Mountains by Beatty (1961)
Records: Barnes 1959, Beatty 1961, Roth 1996, Texas A & M collection
Reference: Barnes, 1959, Beatty 1961, Roth 1996, Vogel 2004

Pardosa valens   Barnes

Size: Male 6.81-8.04 mm, female 7.11-9.33 mm
General Distribution: Arizona and New Mexico, south to Jalisco, Mexico
Distribution in Area Covered: AZ: Cochise, Pima; NM: Rio Grande?
Habitat:
Adults Present:
Notes: Collected at 5600-7500 ft. in Santa Catalina Mountains by Beatty (1961)
Records: Barnes 1959, Beatty 1961, Roth 1996, NMSU collection
Reference: Barnes 1959, Beatty 1961, Roth 1996, Vogel 2004

Pardosa wyuta   Gertsch

Size: Male 6.27±0.60 mm, female 7.13±0.79 mm
General Distribution: British Columbia, south to California and Colorado
Distribution in Area Covered: NM: San Miguel
Habitat: Among herbs and stones along creeks and lake shores
Adults Present: Males April-May, females April-July
Notes:
Records: Gertsch 1933
Reference: Gertsch 1933, Dondale & Redner 1990, Vogel 2004

Pardosa xerampelina   (Keyserling)

Size: Male 6.26±0.49 mm, female 6.76±0.78 mm
General Distribution: Alaska to Newfoundland, south to Oregon, New Mexico and West Virginia
Distribution in Area Covered: NM: Sandoval, San Miguel, Taos
Habitat: Herbs along streams, dry river beds, lake shores, cultivated fields, roadsides, open forests
Adults Present: April-September
Notes:
Records: Dondale & Redner 1986
Reference: Dondale & Redner 1986

Pardosa xerophila   Vogel

Size: Male 4.1 mm, female 4.8-5.8 mm
General Distribution:Arizona, New Mexico, south to Chihuahua and Durango, Mexico
Distribution in Area Covered: AZ: Apache; NM: Otero, Sandoval, Union; TX: Culberson
Habitat:
Adults Present: July-August
Notes:
Records: Vogel 1964, NMSU Arthropod Museum and UNM collections
Reference: Vogel 1964, 2004

Pardosa yavapa   Chamberlin

Size: Male 3.4-4.7 mm, female 4.8-5.3 mm
General Distribution:
Distribution in Area Covered: AZ: Cochise, Coconino, Pima; NM: Bernalillo, Cibola, Lincoln, Los Alamos, Otero, Sandoval, San Miguel, Santa Fe, Taos
Habitat:
Adults Present: May-August
Notes: Collected at 9100 ft. in Santa Catalina Mountains by Beatty (1961)
Records: Chamberlin 1925, Beatty 1961, Vogel 1964, Roth 1996, NMSU and UNM collections
Reference: Chamberlin 1925, Beatty 1961, Vogel 1964, 2004, Roth 1996

Pardosa zionis   Chamberlin & Ivie

Size: Male and female 6.20 mm
General Distribution: Arizona, Texas and Utah
Distribution in Area Covered: AZ: Cochise, Maricopa, Pima, Santa Cruz
Habitat:
Adults Present: June
Notes:
Records: Chamberlin & Ivie 1942, Vogel 1970a
Reference: Chamberlin & Ivie 1942, Vogel 1970a, 2004

Pardosa n. sp. 1 nr. pineata

Size:
General Distribution: Arizona
Distribution in Area Covered: AZ: Yuma
Habitat:
Adults Present:
Notes:
Records: Roth unpublished list
Reference: Roth unpublished list

Pardosa n. sp. 2

Size:
General Distribution: Arizona
Distribution in Area Covered: AZ: Yuma
Habitat:
Adults Present:
Notes:
Records: Roth unpublished list
Reference: Roth unpublished list

Pirata insularis   Emerton

Size: Male carapace length 1.7-2.7 mm, female carapace length 1.9-2.8 mm
General Distribution: Southern Canada and the US east of the Rocky Mts.
Distribution in Area Covered: AZ: Apache
Habitat: Edges of marshes, ponds, streams
Adults Present: Males every month except November and January, females every month except November, January, and February
Notes:
Records: Wallace & Exline 1977
Reference: Wallace & Exline 1977, Roth 1996

Pirata sedentarius   Montgomery

Size: Male and female carapace lengths 1.7-3.2 mm
General Distribution: Southern Canada, US, Mexico, Cuba, Haiti
Distribution in Area Covered:AZ: Cochise; TX; Culberson
Habitat: Usually near water
Adults Present: Probably year-round, with perhaps two broods per year in southern locations
Notes:
Records: Wallace & Exline 1977, Roth 1996, NMSU Arthropod Museum
Reference: Wallace & Exline 1977, Roth 1996

Rabidosa santrita   (Chamberlin & Ivie)

Size: Male 14 mm, female 19 mm
General Distribution: Eastern and north central Arizona
Distribution in Area Covered: AZ: Cochise, Coconino, Navajo, Pima, Santa Cruz
Habitat: Desert riparian areas
Adults Present: April-December
Notes: Probably also in Hidalgo Co., NM
Records: Beatty 1961, Brady & McKinley 1994, Roth 1996
Reference: Beatty 1961, Brady & McKinley 1994, Roth 1996

Schizocosa avida   (Walckenaer)

Size: Male 6.30-9.80 mm, female 6.60-14.70 mm
General Distribution: South Dakots, southern Ontario, and Nova Scotia, southward to northern Mexico and Florida
Distribution in Area Covered: AZ: Pima: TX: Brewster
Habitat: Fields and meadows
Adults Present: Spring
Notes: Collected at 6700' in Santa Catalina Mountains by Beatty (1961)
Records: Beatty 1961, Dondale & Redner 1978a
Reference: Beatty 1961, Dondale & Redner 1978a

Schizocosa chiricahua   Dondale & Redner

Size: Male 7.5-9.0 mm, female 8.1-12.5 mm
General Distribution: Eastern Arizona to central New Mexico
Distribution in Area Covered: AZ: Cochise; NM: Bernalillo, Lincoln
Habitat: Not reported, probably riparian
Adults Present: July
Notes:
Records: Dondale & Redner 1978a, Roth 1996
Reference: Dondale & Redner 1978a, Roth 1996

Schzocosa mccooki   (Montgomory)

Size: Male 9.10-15.50 mm, female 9.60-22.70 mm
General Distribution: British Columbia to Ontario, southward to Mexico
Distribution in Area Covered: AZ: Cochise; NM: Sandoval, Union
Habitat: Desert shrubland, piñon-juniper woodland, among grass and sedges on sandy lake shores
Adults Present: Spring-summer
Notes: Generally replaces S. avida in the western US
Records: Dondale & Redner 1978a, Roth 1996, UNM collection
Reference: Dondale & Redner 1978a, Roth 1996

Schizocosa mimula   (Gertsch)

Size: Male 7.1-9.0 mm, female 9.1-10.3 mm
General Distribution: Utah and Colorado south to northern Mexico
Distribution in Area Covered: AZ: Cochise; NM: Lincoln, San Miguel, Union
Habitat: Grassland
Adults Present:
Notes:
Records: Dondale & Redner 1978a, Roth 1996, NMSU collection
Reference: Dondale & Redner 1978a, Roth 1996

Schzocosa minnesotensis   (Gertsch)

Size: Male 6.6-9.8 mm, female 8.5-15.3 mm
General Distribution: British Columbia and Saskatchewan south to Minnesota and New Mexico
Distribution in Area Covered: NM: Santa Fe, Taos?, Union
Habitat: Pinyon-juniper, sagebrush and range grassland
Adults Present:
Notes:
Records: Dondale & Redner 1978a, UNM collection
Reference: Dondale & Redner 1978a

Schizocosa puebla   Chamberlin

Size: Male 8.0 mm
General Distribution: New Mexico
Distribution in Area Covered: NM: Bernalillo
Habitat:
Adults Present:
Notes: Female not known
Records: Chamberlin 1925b
Reference: Chamberlin 1925b

Schizocosa retrorsa   (Banks)

Size: Male 5.74-7.40 mm, female 7.75-12.80 mm
General Distribution: Kansas, Illinois, and New York, southward to Mexico and northern Florida
Distribution in Area Covered: TX: El Paso
Habitat:
Adults Present:
Notes:
Records: Dondale & Redner 1978a
Reference: Dondale & Redner 1978a

Schizocosa saltatrix   (Hentz)

Size: Male 6.5-8.2 mm, female 7.0-11.8 mm
General Distribution: New England and southern Canada west to Colorado and New Mexico
Distribution in Area Covered: NM: Sandoval, Rio Arriba?; TX: Jeff Davis, Val Verde
Habitat: Hardwood forests
Adults Present: Spring-Summer
Notes:
Records: Dondale & Redner 1978a, UNM collection
Reference: Dondale & Redner 1978a

Schizocosa cf. retrorsa   (Banks)

Size:
General Distribution:
Distribution in Area Covered: NM: San Miguel
Habitat:
Adults Present: Summer
Notes:
Records: Dondale & Redner 1978a
Reference:  Dondale & Redner 1978a

Sosippus californicus   (Simon)

Size: Male 13.92±1.09 mm, female 16.16±2.46 mm
General Distribution: Baja California, southern California, Arizona south to Nayarit
Distribution in Area Covered: AZ: Maricopa, Pima, Yuma
Habitat:
Adults Present:
Notes:Collected at 2700-2800 ft. in Santa Catalina Mountains by Beatty (1961)
Records: Beatty 1961, Brady 1962, Roth unpublished list
Reference: Beatty 1961, Brady 1962, Roth unpublished list

Trochosa sepulchralis   (Montgomery)

Size: Male 8.2±0.3 mm, female 11.0±2.0 mm
General Distribution: Central southern US, west to Texas, north to New York
Distribution in Area Covered: TX: Jeff Davis
Habitat: Forest edges
Adults Present: Year-round
Notes:
Records: Dreyer & Brady 2008, Texas A & M collection
Reference: Dreyer & Brady 2008

Tigrosa helluo   (Walckenaer)

Size: Male 10.31±0.94 mm, female 17.87±2.61 mm
General Distribution: Illinois and Iowa west to Utah and New Mexico
Distribution in Area Covered: NM: Bernalillo; TX: Brewster
Habitat: Moist fields, forests and roadsides; edges of marshes and bogs
Adults Present: Males May-September, females year-round
Notes:
Records: Banks 1901, Vogel 1970, Dondale & Redner 1990
Reference: Banks 1901, Vogel 1970, Dondale & Redner 1990, Brady 2012.

Trochosa terricola   Thorell [= Trochosa pratensis (Emerton)]

Size: Male 6.7-9.4 mm, female 8.2-11.8 mm
General Distribution: Temperate areas of the Holarctic
Distribution in Area Covered: NM: Cibola, Otero, San Miguel, Sandoval, Taos, Union
Habitat: Old fields, forest edges, under logs and leaf litter
Adults Present: Spring and fall
Notes: Males and females may live 2 years or longer
Records: Brady 1979, NMSU and UNM collections
Reference: Brady 1979

Varacosa gosiuta   (Chamberlin) [= Trochosa gosiuta ]

Size: Male 7.4-9.4 mm, female 10.0-13.0 mm
General Distribution: Relatively dry desert regions of the western US
Distribution in Area Covered: AZ: Cochise, Coconino, Maricopa, Mohave, Navajo, Pima, Pinal, Santa Cruz, Yuma; NM: Bernalillo, Cibola, Doña Ana, Eddy, Grant, Lincoln, Rio Arriba, Sandoval, Torrance, Union, Valencia; TX: Brewster
Habitat:
Adults Present: March-October
Notes: Collected at 2700-6000 ft. in Santa Catalina Mountains by Beatty (1961)
Records: Beatty 1961, Brady 1979, Muma 1980, Lowrie 1985, Roth 1996, NMSU Arthropod Museum and UNM collections
Reference: Beatty 1961, Brady 1979, Muma 1980, Lowrie 1985, Roth 1996

Varacosa parthenus   (Chamberlin) [= Trochosa parthenus ]

Size: Male 5.8-7.6 mm, female 7.6-9.4 mm
General Distribution: Southeastern US; one record from TX
Distribution in Area Covered: TX: Brewster
Habitat: Old fields, oak forest
Adults Present: October-February
Notes:
Records: Brady 1979
Reference: Brady 1979

Trechalea gertschi   Carico & Minch

Size: Male carapace length 7.0 mm, female carapace length 7.9 mm
General Distribution: Yavapai County, AZ, S to Chihuahua and Sonora
Distribution in Area Covered: AZ: Gila, Maricopa, Pima, Pinal, Santa Cruz, Yavapai
Habitat: Margins of permanent streams within xeric regions
Adults Present: January, April, June-July, September, November; eggs in June-July
Notes:
Records: Carico & Minch 1981, Carico 1993
Reference: Carico & Minch 1981, Carico 1993

Hamataliwa grisea   Keyserling

Size: Male carapace length 2.0-2.8 mm, female carapace length 2.3-3.2 mm
General Distribution: Southern United States from Florida and Georgia to California and south into central Mexico
Distribution in Area Covered: AZ: Cochise, Maricopa, Pima, Santa Cruz; NM: Doña Ana, Hidalgo; TX: Brewster, Jeff Davis, Presidio
Habitat: Woody shrubs in scrub areas
Adults Present:
Notes: Collected at 2700 ft. in Santa Catalina Mountains by Beatty (1961)
Records: Beatty 1961, Brady 1964, Vogel 1970a, Roth 1996, NMSU collection
Reference: Beatty 1961, Brady 1964, Vogel 1970a, Roth 1996

Oxyopes acleistus   Chamberlin

Size: Female 4.4-6.5 mm
General Distribution: Florida to West Texas
Distribution in Area Covered: West TX
Habitat:
Adults Present: Male April, June, August; female April, June-July
Notes:
Records: Brady 1964
Reference: Brady 1964, 1975

Oxyopes apollo   Brady

Size: Male 3.4-4.4 mm, female 4.2-6.7 mm
General Distribution: Tennessee, Missouri, Arkansas south through Oklahoma and Texas, west to Arizona and south through Nuevo Leon and Chihuahua to Hidalgo, Mexico
Distribution in Area Covered: AZ: Cochise, Pima; NM: Doña Ana, Eddy, Lincoln, Union; TX: Brewster, Presidio, Terrell, Val Verde
Habitat: Usually collected in pitfall traps, probably a ground-dweller
Adults Present: Male July, female July-September
Notes:
Records: Brady 1964, Vogel 1970, Roth 1996, Texas A & M and UNM collections
Reference: Brady 1964, Vogel 1970, Roth 1996, Richman et al., 2011

Oxyopes artemis   Brady

Size: Female 5.2-5.6 mm
General Distribution: Arizona
Distribution in Area Covered: AZ: Pinal
Habitat: 1440 ft. elevation
Adults Present: Female July
Notes: Male unknown
Records: Brady 1969
Reference: Brady 1969

Oxyopes felinus   Brady

Size: Male 4.6 mm, female 4.3-5.7 mm
General Distribution: Southern Arizona
Distribution in Area Covered: AZ: Pima; TX: Brewster, Presidio
Habitat: Dry vegetation on rocky slope
Adults Present: May-July
Notes:
Records: Brady 1969, Texas A & M collection
Reference: Brady 1964, 1975

Oxyopes lynx    Brady

Size: Male 5.0 mm
General Distribution: West Texas, Southwest New Mexico
Distribution in Area Covered: AZ: Cochise; NM: Hidalgo, Lincoln; TX: Brewster, Val Verde
Habitat: Ground surface
Adults Present: Male June
Notes: Female unknown
Records: Brady 1964, Vogel 1970, Roth 1996, Texas A & M collection
Reference: Brady 1964, Vogel 1970, Roth 1996

Oxyopes occidens   Brady

Size: Male 5.1-5.6 mm, female 5.5-8.4 mm
General Distribution: Arizona
Distribution in Area Covered: AZ: Maricopa, Pima, Yuma
Habitat: Dry vegetation around water
Adults Present: Male June-July, female June-October
Notes: Collected at 2450-2700 ft. in Santa Catalina Mountains by Beatty (1961)
Records: Beatty 1961, Brady 1964
Reference: Beatty 1961, Brady 1964

Oxyopes panther   Brady

Size: Female 5.9-7.2 mm
General Distribution: Arizona; Chihuahua and Durango, Mexico
Distribution in Area Covered: TX: Brewster, Presidio
Habitat: At elevations above 6,000'
Adults Present: July-August
Notes:
Records: Brady 1964, Texas A & M collection
Reference: Brady 1964, 1975

Oxyopes pardus   Brady

Size: Male 4.7-5.0 mm
General Distribution: Southeastern Arizona
Distribution in Area Covered: AZ: Cochise
Habitat: Rock surfaces and open ground
Adults Present: Male July
Notes: Female unknown
Records: Brady 1964, Roth 1996
Reference: Brady 1964, Roth 1996

Oxyopes salticus   Hentz

Size: Male 3.9-5.9 mm, female 4.6-7.4 mm
General Distribution: Eastern United States, west to Nebraska and West Texas, southern New Mexico and Arizona, west and north through California and Oregon
Distribution in Area Covered: AZ: Cochise, Maricopa, Pima, Yuma; NM: Doña Ana, Hidalgo, Lincoln; TX: Hudspeth, Pecos, Reeves, Val Verde
Habitat: Tall grass and herbaceous vegetation
Adults Present: Male and female summer months
Notes:
Records: Brady 1964, Roth 1996, NMSU and Texas A & M collections
Reference: Brady 1964, Roth 1996

Oxyopes scalaris   Hentz

Size: Male 4.7-6.1 mm, female 5.8-9.6 mm
General Distribution: Entire United States, plus southern Canada and northern Mexico
Distribution in Area Covered: AZ: Apache, Cochise, Coconino, Gila, Graham, Pima, Santa Cruz, Yavapai; NM: Bernalillo, Doña Ana, Sandoval, San Miguel
Habitat: Pine-Juniper, montane forest, chaparral, juniper woodland, oak woodland, etc.  Collected on desert willow in New Mexico
Adults Present: Male and female summer months?
Notes: Collected at 6000' in Santa Catalina Mountains  by Beatty (1961)
Records: Beatty, 1961, Brady 1964, NMSU Arthropod Museum
Reference: Beatty 1961, Brady 1964

Oxyopes tridens   Brady

Size: Male 4.9-6.4 mm, female 5.5-7.6 mm
General Distribution: West Texas to southern Nevada and California, south to Sonora and Coahuila, Mexico
Distribution in Area Covered: AZ: Cochise, Maricopa, Pima, Yuma; NM: Doña Ana; TX: Brewster, Presidio
Habitat:  Rocks and rough outcrops and ground; never found on vegetation
Adults Present: Male May-August; female May-September
Notes: Collected at 2450-4600 ft. in Santa Catalina Mountains by Beatty (1961)
Records: Beatty 1961, Brady 1964, Vogel 1970, Roth 1996, NMSU Arthropod Museum
Reference: Beatty 1961, Brady 1964, Vogel 1970, Roth 1996

Peucetia longipalpis   F. O. Pickard-Cambridge

Size: Male 8.1-14.5 mm, female 12.5-19.6 mm
General Distribution: Southwest United States, south to Belize
Distribution in Area Covered: AZ: Gila, Pima; NM: Doña Ana
Habitat: On cactus pads, desert grassland
Adults Present: Male May-October; female June-October
Notes:
Records: Brady 1964, NMSU collection
Reference: Brady 1964

Peucetia viridans   (Hentz)

Size: Male 8.3-14.5 mm, female 11.8-21.6 mm
General Distribution: Southern United States, Mexico, Central America and the West Indies
Distribution in Area Covered: AZ: Cochise, Pima, Santa Cruz, Yuma; NM: Hidalgo; TX: Presidio, Reeves
Habitat:
Adults Present: Summer-fall
Notes: Collected at 2700-4200 ft. in Santa Catalina Mountains by Beatty (1961)
Records: Beatty 1961, Brady 1964, Roth 1996
Reference: Beatty 1961, Brady 1964, Roth 1996

Dolomedes gertschi    Carico

Size:
General Distribution: Gila River drainage in Arizona and New Mexico
Distribution in Area Covered: AZ: Coconino, Navajo; NM: Catron
Habitat: Edges of streams with numerous boulders
Adults Present: June-August
Notes:
Records: Carico 1973
Reference: Carico 1973

Dolomedes triton   (Walckenaer)

Size:
General Distribution: Eastern United States, NW to northern British Columbia and south to southern Baja California and Chiapas, Mexico
Distribution in Area Covered: NM: Eddy
Habitat: Stream and lakesides
Adults Present: Probably all year
Notes:
Records: Carico 1973
Reference: Carico 1973

Tinus peregrinus     (Bishop)

Size: ca. 10 mm
General Distribution: Western Arkansas west to southern Nevada and southern California, south to Sonora and Nuevo Leon
Distribution in Area Covered: AZ: La Paz, Pima, Yuma; TX: Brewster
Habitat: Near bodies of water, including flooded mines
Adults Present: July-August (eggs)
Notes: Collected at 4300' in Santa Catalina Mountains by Beatty (1961)
Records: Beatty 1961, Carico 1976
Reference: Beatty 1961, Carico 1976