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Home » Guide » Arthropods (Arthropoda) » Chelicerates (Chelicerata) » Arachnids (Arachnida) » Spiders (Araneae) » True Spiders (Araneomorphae) » Entelegynae » Trachelidae » Trachelas

Genus Trachelas

Clubionid - Sac Spider - Trachelas tranquillus - female

male Trachelas? - Trachelas tranquillus - male

what spider is this?! - Trachelas tranquillus

Broad-Faced Sac Spider -(iNaturalist) - Trachelas tranquillus

Small spider with tatty web in a back yard tree - Trachelas

Classification

Kingdom Animalia (Animals)

Phylum Arthropoda (Arthropods)

Subphylum Chelicerata (Chelicerates)

Class Arachnida (Arachnids)

Order Araneae (Spiders)

Infraorder Araneomorphae (True Spiders)

No Taxon (Entelegynae)

Family Trachelidae

Genus Trachelas

Synonyms and other taxonomic changes

Placed in family Trachelidae in 2014, though I am unsure how much agreement there is on that change.

Numbers

8 species in the U.S.

Identification

Species in this genus look largely similar to each other, so in areas where more than one species can be found, identification via the genitalia is usually required.

Range

Ranges are from Platnick and Shadab, 1974. (1)

T. huachucanus - Arizona, New Mexico.

T. mexicanus - Utah and Colorado south through Arizona, New Mexico, and Texas.

T. organatus - Arizona, Sonora, and Baja California.

T. pacificus - Range is Western North America from California and Nevada south to northern Baja California. This is the only species listed for CA by Steve Lew's site.

T. similis - Southeastern United States south to Costa Rica.

T. sinuosus - Southern Georgia and Florida.

T. tranquillus - New England south to Georgia and Alabama and west to Kansas and Minnesota. Also found in Ontario and Nova Scotia, Canada.

T. volutus - Southeastern United States.

Print References

digitallibrary.amnh.org - Platnick and Shadab, 1974, A revision of the bispinosus and bicolor groups of the spider genus Trachelas (Araneae, Clubionidae) in North and Central America and the West Indies.

Checklist of the spiders (Araneae) of Canada and Alaska - Paquin et al (2010).

Works Cited

1.	A revision of the tranquillus and speciosus groups of the spider genus Trachelas in North and Central America Platnick, Norman I.; Shadab, Mohammad Umar. . 1974. American Museum novitates ; no. 2553.

Contributed by john and jane balaban on 30 July, 2005 - 5:24pm
Additional contributions by Bug Eric, Lynette Elliott, Jeff Hollenbeck, Chuck Entz, kschnei, jsloan, chuuuuung
Last updated 16 July, 2023 - 1:05pm

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