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Genus Phrurotimpus

Phrurotimpus - male - female Phrurotimpus borealis male - Phrurotimpus borealis - male Spider ID - Phrurotimpus Phrurotimpus? - Phrurotimpus Female Phrurotimpus? - Phrurotimpus Spider - Phrurotimpus borealis - male Phrurotimpus alarius - male Ant-mimic spider - Phrurotimpus borealis
Kingdom Animalia (Animals)
Phylum Arthropoda (Arthropods)
Subphylum Chelicerata (Chelicerates)
Class Arachnida (Arachnids)
Order Araneae (Spiders)
Infraorder Araneomorphae (True Spiders)
No Taxon (Entelegynae)
Family Phrurolithidae (Guardstone Spiders)
Genus Phrurotimpus
Synonyms and other taxonomic changes
There are 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".
Members of this genus 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)

Palps: P. alarius, P. borealis, P. certus
Exact distribution within these countries will be added as time permits.

P. abditus - USA
P. alarius - NM to FL, north to WI and Nova Scotia (3)
- P. alarius tejanus - USA, Canada
P. borealis - British Columbia to Nova Scotia south to UT, northern MEX, and NC (3)
P. certus - Alberta to Nova Scotia south to WY, AL, and VA (3)
P. chamberlini - USA
P. dulcineus - FL north to NE and southern Ontario (3)
P. illudens - USA
P. mateonus - USA
P. minutus - IL to MA south to NJ (3)
P. mormon - USA
- P. mormon xanthus - USA
P. parallelus - USA
P. subtropicus - USA
P. truncatus - USA
P. woodburyi - USA
- P. 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.
3.The Sac Spiders of Canada and Alaska: Araneae, Clubionidae and Anyphaenidae (The Insects and Arachnids of Canada)
Charles D. Dondale and James H. Redner. 1982.