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Family Gnaphosidae - Ground Spiders

Spider - male Is this a Scotophaeus blackwalli  - Scotophaeus blackwalli Tiny Black Spider - Zelotes Herpyllus ecclesiasticus Maine spider  - Gnaphosa Arizona spider Ground Spider - Sosticus insularis - male Tiny Micaria Ground Spider - Micaria
Classification
Kingdom Animalia (Animals)
Phylum Arthropoda (Arthropods)
Subphylum Chelicerata (Chelicerates)
Class Arachnida (Arachnids)
Order Araneae (Spiders)
Infraorder Araneomorphae (True Spiders)
No Taxon (Entelegynae)
Family Gnaphosidae (Ground Spiders)
Identification
Most members of this family can be identified as such by the presence of prominent, tube-shaped spinnerets.

However, note that there are other families with spinnerets that can look similar, such as the Clubionidae:
For Gnaphosidae vs. Clubionidae, look for an eye arrangement that is much more tightly clustered. Example gnaphosid eye arrangement:
Range
Exact distribution within these countries will be added when time permits.
Callilepis - 7 species in BugGuide's range.
-C. chisos: eastern Arizona, New Mexico, Colorado, and western Texas.
-C. eremella: western United States and southern British Columbia.
-C. gertschi: southwestern United States (e.g. AZ, NM, TX).
-C. gosoga: California and northern Baja California.
-C. imbecilla: Illinois and southernmost Ontario, south to Texas and Florida (no records for the northeastern states).
-C. mumai: southwestern United States from Utah south to Mexico (e.g. UT, AZ, NM).
-C. pluto: western Northwest Territories to Maine, south to Oregon, Colorado and Alabama (Canadian portion includes NT, BC, AB, SK, MB, ON, QC, & NS).
Camillina - 1 species in BugGuide's range
- C. pulchra - USA
- C. bilineata - USA & Canada
- C. bixleri - USA
- C. classica - USA
- C. gertschi - USA
- C. irvingi - USA
- C. josephus - USA
- C. rothi - USA
- C. sincera - USA
- C. trivittata - USA
- C. ubicki - USA
Drassodes - 7 species in BugGuide's range
-D. neglectus: Alaska to Nova Scotia, south to Arizona and West Virginia.
-D. mirus: Alberta and high mountains of Colorado.
-D. gosiutus: Alberta to Connecticut, south to Arizona and Mississippi.
-D. saccatus: British Columbia to Massachusetts, south to Baja California (Mexico), Oaxaca (-Mexico), and Missouri.
-D. auriculoides: Wisconsin to Massachusetts, south to Arkansas and Tennessee.
-D. serratichelis: Louisiana east to Florida.
-D. angulus: California.
Drassyllus - 47 species in BugGuide's range.
Eilica
- bicolor - USA & south
Gertschosa
- E. amphiloga - USA, Mexico
Gnaphosa - 20 species in Bugguide's range.
Haplodrassus - 9 species in BugGuide's range.
Litopyllus - 2 species in BugGuide's range
- L. cubanus - USA, Bahama Is., Cuba
Micaria - 41 species in BugGuide's range
Neozimiris - 1 species
-N. pubescens - southern CA to western AZ
Nodocion - 6 species in BugGuide's range
- N. eclecticus - North America
- N. floridanus - USA, Mexico
- N. mateonus - USA
- N. rufithoracicus - USA, Canada
- N. utus - USA, Mexico
- N. voluntarius - North America
Orodrassus - 3 species in BugGuide's range
- O. assimilis - USA
- O. canadensis - USA, Canada
- O. coloradensis - USA, Canada
Parasyrisca - 1 species in BugGuide's range
- O. orites - USA, Canada
Prodidomus - 2 species
-P. rufus - southern CA, TX, AL
-P. singulus - HI
Scopoides - 7 species in BugGuide's range
- S. bryantae - USA, Mexico
- S. cambridgei - USA, Mexico
- S. catharius - USA
- S. gertschi - USA
- S. kastoni - USA, Mexico
- S. naturalisticus - USA, Mexico
- S. nesiotes - USA, Mexico
Scotophaeus - 1 species in BugGuide's range
- S. blackwalli - Cosmopolitan
Sergiolus - 16 species in BugGuide's range
- S. angustus - USA, Canada, Mexico
- S. bicolor - USA, Canada
- S. capulatus - USA, Canada
- S. columbianus - USA, Canada
- S. cyaneiventris - USA, Cuba
- S. decoratus - USA, Canada
- S. gertschi - USA, Mexico
- S. iviei - USA, Canada
- S. kastoni - USA, Cuba
- S. lowelli - USA, Mexico
- S. minutus - USA, Cuba, Jamaica
- S. montanus - USA, Canada, Mexico
- S. ocellatus - USA, Canada
- S. stella - USA, Mexico
- S. tennesseensis - USA
- S. unimaculatus - USA, Canada
Sosticus - 3 species in BugGuide's range
- S. californicus - USA
- S. insularis - USA, Canada
- S. loricatus - Holarctic
Synaphosus - 2 species in BugGuide's range
- S. paludis - USA
- S. syntheticus - USA, Mexico
Talanites - 5 species in BugGuide's range
- T. captiosus - USA, Mexico
- T. echinus - USA
- T. exlineae - USA
- T. moodyae - USA
- T. ubicki - USA


(not finished with this yet)
Print References
Ovcharenko, Platnick, & Marusik. 1995. A review of the Holarctic ground spider genus Parasyrisca (Araneae, Gnaphosidae). American Museum Novitates; no. 3147 http://hdl.handle.net/2246/3560
Internet References
~ wikipedia.org - Information and images.

~ www.jrogenlissner.dk - European images of Ground Spiders.