Identification, Images, & Information
For Insects, Spiders & Their Kin
For the United States & Canada
Clickable Guide
Moths Butterflies Flies Caterpillars Flies Dragonflies Flies Mantids Cockroaches Bees and Wasps Walkingsticks Earwigs Ants Termites Hoppers and Kin Hoppers and Kin Beetles True Bugs Fleas Grasshoppers and Kin Ticks Spiders Scorpions Centipedes Millipedes

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


Genus Phrurotimpus

Spider - Phrurotimpus Phrurotimpus borealis male - Phrurotimpus borealis - male Spider eggcase? - Phrurotimpus Adult female w/ egg sac - Phrurotimpus borealis - female Phrurotimpus - Phrurotimpus alarius - male Phrurotimpus alarius - female mating spiders - Phrurotimpus borealis - male - female Unusual spider that moves incredibly fast - Phrurotimpus borealis
Kingdom Animalia (Animals)
Phylum Arthropoda (Arthropods)
Subphylum Chelicerata (Chelicerates)
Class Arachnida (Arachnids)
Order Araneae (Spiders)
Infraorder Araneomorphae (True Spiders)
No Taxon (Entelegynes )
Family Phrurolithidae
Genus Phrurotimpus
14 species & 3 subspecies in Bugguide's range. But, per RJ Adams comment in 2010: "The genus is in moderate disarray and is in need of a revision. Numerous undescribed species can be found in most major museum collections".
Usually have iridescent scales on the body. The egg sacs are red, flattened discs fastened to the underside of stones. (1)

Femora with 1 dorsal spine, tibia I usually dark.(2)
Exact distribution within these countries will be added when time permits.

abditus - USA
alarius - USA, Canada
- alarius tejanus - USA, Canada
borealis - North America
certus - USA, Canada
chamberlini - USA
dulcineus - USA, Canada
illudens - USA
mateonus - USA
minutus - USA
mormon - USA
- mormon xanthus - USA
parallelus - USA
subtropicus - USA
truncatus - USA
woodburyi - USA
- woodburyi utanus- USA
See Also
Works Cited
1.How to Know the Spiders
B. J. Kaston. 1978. WCB/McGraw-Hill.
2.Spiders of North America: An Identification Manual
D. Ubick, P. Paquin, P.E. Cushing and V. Roth (eds). 2005. American Arachnological Society.