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For the United States & Canada
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Upcoming Events

Photos of insects and people from the 2015 gathering in Wisconsin, July 10-12

Photos of insects and people from the 2014 gathering in Virginia, June 4-7.

Photos of insects and people from the 2013 gathering in Arizona, July 25-28

Photos of insects and people from the 2012 gathering in Alabama

Photos of insects and people from the 2011 gathering in Iowa

Photos from the 2010 Workshop in Grinnell, Iowa

Photos from the 2009 gathering in Washington


Family Phrurolithidae

Phrurotimpus sp. (egg sack) - Phrurotimpus Adult Male - Phrurotimpus borealis - male Small spider - Phrurotimpus borealis - female Which spider is this? - Phrurotimpus Ventral view - Phrurotimpus - female Female Phrurotimpus? - Phrurotimpus Phrurotimpus alarius - female Phrurotimpus female - Phrurotimpus - female
Kingdom Animalia (Animals)
Phylum Arthropoda (Arthropods)
Subphylum Chelicerata (Chelicerates)
Class Arachnida (Arachnids)
Order Araneae (Spiders)
Infraorder Araneomorphae (True Spiders)
No Taxon (Entelegynes )
Family Phrurolithidae
Synonyms and other taxonomic changes
6 genera found in North America transferred from Corinnidae to the new family Phrurolithidae by Ramírez, 2014.(1)(2)
Drassinella - 6 species in USA
Phrurolithus - 28 species in USA (under 3 mm, Castianeira/Micaria look-alike)(3)
Phruronellus - 5 species in USA
Phrurotimpus - 14 species & 3 subspecies in USA & Canada
Piabuna - 5 species in USA (very small, less than 2 mm, AMEs large)
Scotinella -16 species in USA & Canada
Drassinella - 2.5 to 4 mm look like ground spiders, but spinnerets are conical not tubular.
Print References
The morphology and phylogeny of dionychan spiders
By Ramírez, Martín J.(1)
Internet References
World Spider Catalog (2014). World Spider Catalog. Natural History Museum Bern, online at, version 15.5, accessed on 11/19/2014(2)
Works Cited
1.The morphology and phylogeny of dionychan spiders
Ramírez, Martín J. 2014. Bulletin of the American Museum of Natural History.
2.World Spider Catalog
3.New American Spiders of the Family Clubionidae I
W.J. Gertsch. 1941. The American Museum of Natural History; No. 1147.