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The Genus Ozyptila in North America (Araneida, Thomisidae)

C. D. Dondale and J. H. Redner
The Journal of Arachnology
Vol. 2, No. 3 (Sep., 1974), pp. 129-181
Stable URL: http://www.jstor.org/stable/3704931
Page Count: 53
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The Genus Ozyptila in North America (Araneida, Thomisidae)
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Abstract

The generic name Ozyptila Simon, 1864 is stabilized by the identification of the type-species O. claveata (Walckenaer) 1837 as conspecific with O. nigrita (Thorell) 1875, the latter becoming a junior synonym of claveata. The 22 species and two subspecies comprising the genus Ozyptila in North America are described or redescribed, keyed, and illustrated. The floridana group contains five species from eastern or southeastern United States and Mexico. O. peon Gertsch, 1953 and O. imitata Gertsch, 1953, known hitherto from female and male, respectively, are newly recognized as conspecific under the name imitata. The brevipes group contains 15 species and two subspecies from various regions of North America, of which O. distans and O. curvata are described as new species and O. sincera canadensis and O. sincera oraria are described as new subspecies. O. bryantae Gertsch, 1939 is synonymized under O. conspurcata Thorell, 1877, O. bison Gertsch, 1953 under O. beaufortensis Strand, 1916, O. barrowsi Gertsch, 1939 under O. americana Banks, 1895, and O. belma Gertsch, 1953 under O. trux (Black-wall) 1846. The rauda group contains two species of the north or west. O. schusteri Schick, 1965 is synonymized under O. yosemitica Schick, 1965. O. sincera Kulczynski, 1926 and O. septentrionalium L. Koch, 1879, are recognized as Holarctic for the first time, bringing the number known to be Holarctic to five. O. nevadensis Keyserling, 1880 is shown to belong in the genus Xysticus, where it becomes a senior synonym of X. knowltoni Gertsch, 1939. O. infumata (Walckenaer) 1837 is designated a nomen dubium.

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