Synonyms and other taxonomic changes
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.)
Typically uses debris to camouflage its retreat.
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.
-Some very nice images of this species at Jørgen Lissner's website: http://www.jorgenlissner.dk/Theridiidae.aspx