REVISION OF THE NEARCTIC WOLF SPIDER GENUSSCHIZOCOSA(ARANEIDA: LYCOSIDAE)

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Abstract
SchizocosaChamberlin, 1904, with type-speciesLycosa ocreataHentz, 1844, comprises 20 species occurring in southern Canada, the U.S.A., and Mexico:S.ocreata(=Lycosa charonoidesMontgomery, 1902, SYN. N.);S.crassipes(Walckenaer, 1837);S.floridanaBryant, 1934;S.saltatrix(Hentz, 1844);S.humilis(Banks, 1892) (=Lycosa episimaChamberlin, 1924, SYN. N.);S.duplexChamberlin, 1925;S.salsaBarnes, 1953;S.bilineata(Emerton, 1885);S.segregataGertsch and Wallace, 1937;S.auloniaDondale, 1969;S.crassipalpataRoewer, 1951;S.mimula(Gertsch, 1934) (=Lycosa coahuilanaGertsch and Davis, 1940, SYN. N.);S.minnesotensis(Gertsch, 1934);S.retrorsa(Banks, 1911);S.avida(Walckenaer, 1837);S.maximasp. n.;S.chiricahuasp. n.;S.cespitumsp. n.;S.communis(Emerton, 1885), comb. n. (=S.heasmaniDondale, 1969, SYN. N.);S.mccooki(Montgomery, 1904), comb. n. (=Lycosa pacificaBanks, 1904, SYN. N. =S.wasatchensisChamberlin and Ivie, 1942, SYN. N).AvicosaChamberlin and Ivie, 1942 andEpihognaRoewer, 1960 are synonymized underSchizocosa. Fourteen of the species ofSchizocosaare represented only in the southeastern United States, the northeastern U.S., and eastern Canada, or are widespread in the eastern half of the continent; three are represented only on the prairies, and the remainder in the Rockies or the Pacific coast.