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Genus Schizocosa

Yet another potential clue to solve the Lycosid mystery... - Schizocosa Wolf Spider - Schizocosa Unknown Spider - Schizocosa Pit stop Spider - Schizocosa - female Schizocosa avida - Schizocosa Schizocosa mccooki--Voucher - Schizocosa mccooki - female Ground Spider - Schizocosa Large Patterned Spider - Schizocosa - female
Classification
Kingdom Animalia (Animals)
Phylum Arthropoda (Arthropods)
Subphylum Chelicerata (Chelicerates)
Class Arachnida (Arachnids)
Order Araneae (Spiders)
Infraorder Araneomorphae (True Spiders)
No Taxon (Entelegynes )
Family Lycosidae (Wolf Spiders)
Genus Schizocosa
Explanation of Names
Chamberlin, 1904
'Lycosid with the split T formation', referring to the epigynum of the genus (1).
Numbers
27 species in BugGuide's range (North America north of Mexico).(2)—accessed 4 March 2014.
Identification
Males of some species have a conspicuous brush of black hairs on tibia I: crassipes(3), bilineata(3), ocreata(4), aulonia(5), perplexa(6)
Remarks
Ranges from kaston.transy.edu, although the website is no longer working:

Schizocosa aulonia Dondale, 1969 — IA, IL, KS, NE, OK, TX
Schizocosa avida (Walckenaer, 1837) — AL, AR, AZ, CO, CT, DE, FL, GA, IA, IL, IN, KS, KY, LA, MA, MD, ME, MI, MO, MS, MT, NC, NE, NH, NJ, NY, OH, OK, PA, RI, SC, SD, TN, TX, UT, VA, WI, WV, WY; NS, ON, PQ
Schizocosa bilineata (Emerton, 1885) — AR, CT, DE, GA, IL, IN, KS, MA, MD, MI, MO, MS, NC, NE, NH, NJ, NY, OH, OK, PA, SC, TN, TX, VA, WI, WV; ON
Schizocosa ceratiola (Gertsch & Wallace, 1935) — FL
Schizocosa cespitum Dondale & Redner, 1978 — SK
Schizocosa chiricahua Dondale & Redner, 1978 — AZ, NM
Schizocosa communis (Emerton, 1885) — CT, MA, ME, NH, NJ, NY, PA, VT, WA; NS, ON, PQ
Schizocosa crassipalpata Roewer, 1951 — CT, IA, IL, MA, ME, MI, MN, NE, NH, NY, OH, PA, SD, VT, WI; NB, NS, ON, PQ
Schizocosa crassipes (Walckenaer, 1837) — AL, AR, CT, DE, FL, GA, IA, IL, KS, MD, MI, MO, MS, NC, NE, OH, PA, SC, WI
Schizocosa duplex Chamberlin, 1925 — AL, AR, CT, FL, GA, MA, MD, MI, NC, OH, SC, TN, VA
Schizocosa floridana Bryant, 1934 — FL, GA
Schizocosa humilis (Banks, 1892) — AR, FL, GA, LA, MS, NC, NJ, NY, PA, VA; NB, ON
Schizocosa incerta (Bryant, 1934) — FL
Schizocosa maxima Dondale & Redner, 1978 — CA, OR
Schizocosa mccooki (Montgomery, 1904) — AZ, CA, CO, IA, ID, IL, KS, MI, MN, MT, ND, NE, NM, NV, OK, OR, SD, TX, UT, WA, WI, WY; AB, BC, MB, ON, SK
Schizocosa mimula (Gertsch, 1934) — AZ, CO, NM, UT
Schizocosa minnesotensis (Gertsch, 1934) — CO, ID, MN, MT, NM, OR, UT, WA, WY; AB, BC, SK, YT
Schizocosa ocreata (Hentz, 1844) — AL, AR, CO, CT, DE, FL, GA, IA, IL, IN, KS, KY, LA, MA, MD, MI, MN, MO, MS, NC, NE, NJ, NY, OH, OK, PA, RI, SC, SD, TN, TX, VA, WI, WV; ON
Schizocosa perplexa Bryant, 1936 — OK, TX
Schizocosa puebla Chamberlin, 1925 — NM
Schizocosa retrorsa (Banks, 1911) — AL, AR, FL, GA, IL, KS, MO, MS, NC, NJ, NY, OH, OK, PA, SC, TN, TX, VA
Schizocosa rovneri Uetz & Dondale, 1979 — AL, IL, KY, MO, MS, OH, TX
Schizocosa salsa Barnes, 1953 — NC
Schizocosa saltatrix (Hentz, 1844) — AL, AR, CO, CT, DE, FL, GA, IA, IL, IN, KS, KY, LA, MA, MD, MI, MN, MO, MS, NC, NE, NH, NJ, NM, NY, OH, OK, PA, RI, SC, SD, TN, TX, UT, VA, VT, WI, WV; NS, ON, PQ
Schizocosa segregata Gertsch & Wallace, 1937 — FL, TX
Schizocosa stridulans Stratton, 1984 — AL, IL, KY, MO, MS, OH, TN
Schizocosa uetzi Stratton, 1997 — AL, AR, LA, MS, TN
Works Cited
1.Spiders of North America: An Identification Manual
D. Ubick, P. Paquin, P.E. Cushing and V. Roth (eds). 2005. American Arachnological Society.
2.The World Spider Catalog by Norman I. Platnick
3.How to Know the Spiders
B. J. Kaston. 1978. WCB/McGraw-Hill.
4.The Wolf Spiders, Nurseryweb Spiders, and Lynx Spiders of Canada and Alaska
Dondale, Charles D. and James H. Redner. 1990. Canadian Government Publishing Centre, Ottawa.
5.Revision of the Nearctic wolf spider genus Schizocosa (Araneida: Lycosidae)
Charles Dondale & James Redner. 1978. The Canadian Entomologist 110(2): 143-181.
6.New Species of Southern Spiders
Elizabeth B. Bryant. 1936. Psyche 43(4): 87-101.