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Fall Fund Drive


Species Cryptachaea blattea

T. sisyphoides - Cryptachaea blattea - female T. sisyphoides - Cryptachaea blattea - female T. sisyphoides - Cryptachaea blattea - female T. sisyphoides - Cryptachaea blattea - female T. sisyphoides - Cryptachaea blattea - female
Kingdom Animalia (Animals)
Phylum Arthropoda (Arthropods)
Subphylum Chelicerata (Chelicerates)
Class Arachnida (Arachnids)
Order Araneae (Spiders)
Infraorder Araneomorphae (True Spiders)
No Taxon (Entelegynes )
Family Theridiidae (Cobweb Spiders)
Genus Cryptachaea
Species blattea (Cryptachaea blattea)
Synonyms and other taxonomic changes
Achaearanea acoreensis
Explanation of Names
(Urquhart, 1886)
Known from Washington, California, & British Columbia(1)(2)(3)(4). (This is a cosmopolitan species, so it's possible it can be found elsewhere in North America, as well.)
Life Cycle
Typically uses debris to camouflage its retreat.
See Also
Other Cryptachaea spp., Parasteatoda, Tidarren, some European Achaearanea
Print References
In addition to the works cited:
-Paquin, P., C. J. Vink & N. Dupérré, 2010. Spiders of New Zealand: Annotated Family Key & Species List. Manaaki Whenua Press, Lincoln, New Zealand, vii+ 118 pp.
-Vink, C. J., N. Dupérré, P. Paquin, B. M. Fitzgerald & P. J. Sirvid, 2009. The cosmopolitan spider Cryptachaea blattea (Urquhart 1886) (Araneae: Theridiidae): Redescription, including COI sequence, and new synonymy. Zootaxa 2133: 55-63.
Internet References
-Some very nice images of this species at Jørgen Lissner's website:
Works Cited
1.Cosmopolitan and pantropical species of theridiid spiders (Araneae: Theridiidae)
Herbert W. Levi. 1967. Pacific Insects 9: 175-186.
2.Checklist of the spiders (Araneae) of Canada and Alaska
Paquin, Buckle, Duperre, & Dondale. 2010. Zootaxa 2461: 1–170.
3.An annotated checklist of the spiders of Washington
R.L. Crawford. 1988. Burke Mus. Contrib. Anthrop. Nat. Hist. 5: 1-48.
4.Spiders of California