Geolycosa is a genus of wolf spiders first described in 1904.

Life style Species of Geolycosa dig deep cylindrical holes in the ground, and some build low turrets with sticks around the opening.

Description Medium to large spiders characterized by an anteriorly truncated carapace that is highest in the region of the posterior lateral eyes. The lateral sides are steep, and the chelicerae are large, much longer than the clypeus width. The cheliceral furrow bears three teeth. The sternum is longer than wide, and the labium is longer than wide.

The legs are strong, with the front leg being the thickest and strongest. The tarsi and metatarsi have thick scopulae on the last three leg segments.

The epigyne is very small.

Taxonomy The African species have not been revised.

Species

, this genus includes seventy species and one subspecies:

Geolycosa aballicola (Strand, 1906) – Ethiopia Geolycosa albimarginata (Badcock, 1932) – Paraguay Geolycosa appetens Roewer, 1960 – Namibia Geolycosa ashantica (Strand, 1916) – Ghana Geolycosa atrosellata Roewer, 1960 – DR Congo Geolycosa bridarollii (Mello-Leitão, 1945) – Argentina Geolycosa buyebalana Roewer, 1960 – DR Congo Geolycosa carli (Reimoser, 1934) – India Geolycosa charitonovi (Mcheidze, 1997) – Caucasus (Russia, Georgia, Azerbaijan), India? Geolycosa conspersa (Thorell, 1877) – Myanmar, Indonesia (Borneo, Sulawesi) Geolycosa cyrenaica (Simon, 1908) – Libya Geolycosa diffusa Roewer, 1960 – Cameroon Geolycosa disposita Roewer, 1960 – Angola Geolycosa diversa Roewer, 1960 – Rwanda Geolycosa domifex (Hancock, 1899) – Canada, United States Geolycosa dunini Zyuzin & Logunov, 2000 – Georgia, Armenia, Azerbaijan Geolycosa egena (L. Koch, 1877) – Australia (Queensland) Geolycosa escambiensis Wallace, 1942 – United States Geolycosa excussa (Tullgren, 1905) – Bolivia, Argentina Geolycosa fatifera (Hentz, 1842) – United States Geolycosa festina (L. Koch, 1877) – Australia (Queensland) Geolycosa forsaythi (Dahl, 1908) – Papua New Guinea (Bismarck Arch.) Geolycosa gaerdesi Roewer, 1960 – Namibia Geolycosa gosoga (Chamberlin, 1925) – United States Geolycosa habilis Roewer, 1960 – DR Congo, Rwanda, Tanzania Geolycosa hectoria (Pocock, 1900) – South Africa Geolycosa hubbelli Wallace, 1942 – United States Geolycosa hyltonscottae (Mello-Leitão, 1941) – Argentina Geolycosa impudica (Mello-Leitão, 1944) – Argentina Geolycosa incertula (Mello-Leitão, 1941) – Argentina Geolycosa infensa (L. Koch, 1877) – Australia (Queensland, New South Wales) Geolycosa insulata (Mello-Leitão, 1944) – Argentina Geolycosa ituricola (Strand, 1913) – DR Congo Geolycosa katekeana Roewer, 1960 – DR Congo Geolycosa kijabica (Strand, 1916) – Kenya Geolycosa lancearia (Mello-Leitão, 1940) – Argentina Geolycosa latifrons Montgomery, 1904 – United States (type species) Geolycosa liberiana Roewer, 1960 – Liberia Geolycosa lindneri (Karsch, 1879) – Angola Geolycosa lusingana (Roewer, 1959) – DR Congo Geolycosa micanopy Wallace, 1942 – United States Geolycosa minor (Simon, 1909) – Equatorial Guinea (Bioko) Geolycosa missouriensis (Banks, 1895) – Canada, United States Geolycosa natalensis Roewer, 1960 – South Africa Geolycosa nolotthensis (Simon, 1910) – Namibia, South Africa Geolycosa ornatipes (Bryant, 1935) – United States Geolycosa patellonigra Wallace, 1942 – United States Geolycosa pikei (Marx, 1881) – United States Geolycosa rafaelana (Chamberlin, 1928) – United States Geolycosa raptatorides (Strand, 1909) – Uruguay Geolycosa riograndae Wallace, 1942 – United States Geolycosa rogersi Wallace, 1942 – United States Geolycosa rubrotaeniata (Keyserling, 1877) – Colombia Geolycosa rufibarbis (Mello-Leitão, 1947) – Brazil Geolycosa sangilia (Roewer, 1955) – Colombia Geolycosa schulzi (Dahl, 1908) – Papua New Guinea (Bismarck Arch.) Geolycosa sexmaculata Roewer, 1960 – Afghanistan Geolycosa shinkuluna Roewer, 1960 – DR Congo Geolycosa suahela (Strand, 1913) – DR Congo Geolycosa subvittata (Pocock, 1900) – South Africa Geolycosa tangana (Roewer, 1959) – Tanzania Geolycosa ternetzi (Mello-Leitão, 1939) – Paraguay Geolycosa timorensis (Thorell, 1881) – Timor Geolycosa togonia Roewer, 1960 – Togo Geolycosa turricola (Treat, 1880) – United States Geolycosa uinticolens (Chamberlin, 1936) – United States Geolycosa uruguayaca (Strand, 1909) – Uruguay Geolycosa vultuosa (C. L. Koch, 1838) – Slovakia, Hungary, south-eastern and eastern Europe, Turkey, Caucasus, Israel, Syria, Iran Geolycosa wrighti (Emerton, 1912) – Canada, United States Geolycosa xera McCrone, 1963 – United States G. x. archboldi McCrone, 1963 – United States

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