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REVISION OF SPILOMICRUS WESTWOOD IN AMERICA NORTH OF MEXICO (HYMENOPTERA: PROCTOTRUPOIDEA, DIAPRIIDAE)

  • Lubomir Masner (a1)
Abstract

The species of the genus Spilomicrus in America north of Mexico are revised. A generic diagnosis of Spilomicrus, key to genera of Nearctic Spilomicrini, and key to Spilomicrus species in America north of Mexico are given. Four species-groups are defined, viz. distinctus, exul, formosus, and stigmaticalis. Character states, variation, distribution, and relationships of each species are discussed. Twelve of 21 species are recognized as new: S. boweni, S. crassicornis, S. distinctus, S. exul, S. inornatus, S. palustris, S. pumilio, S. robustus, S. sanbornei, S. stepheni, S. superbus, and S. sylvicola. Nine previously known species are redescribed: S. antennatus (Jurine), S. atriclavus Ashmead, S. bifoveatus Kieffer, S. brevicornis (Ashmead), S. flavicornis Ashmead, S. formosus Jansson, S. ruficornis (Provancher), S. stigmaticalis Westwood, and S. virginicus Fouts. The males of S. brevicornis and S. virginicus, as well as the females of S. flavicornis and S. ruficornis, are described for the first time. The following new synonymies are proposed: S. antennatus (= Basalys californica Ashmead), S. atriclavus (= S. foutsi Masner, S. kiefferi Fouts), and S. stigmaticalis (= S. armatus Ashmead).

Les espèces du genre Spilomicrus en Amérique au nord du Mexique ont été révisées. Un diagnostic générique de Spilomicrus, une clé aux genres néarctiques de Spilomicrini et une clé aux espèces de Spilomicrus en Amérique au nord du Mexique sont donnés. Quatre groupes d’espèces sont reconnus; à savoir : distinctus, exul, formosus et stigmaticalis. L’état des caractéristiques, la variabilité, la distribution et les rapports de chaque espèce sont discutés. Douze des 21 espèces sont reconnues comme nouvelles : S. boweni, S. crassicornis, S. distinctus, S. exul, S. inornatus, S. palustris, S. pumilio, S. robustus, S. sanbornei, S. stepheni, S. superbus, et S. sylvicola. Neuf espèces préalablement connues ont été décrites à nouveau : S. antennatus (Jurine), S. atriclavus Ashmead, S. bifoveatus Kieffer, S. brevicornis (Ashmead), S. flavicornis Ashmead, S. formosus Jansson, S. ruficornis (Provancher), S. stigmaticalis Westwood et S. virginicus Fouts. Les mâles de S. brevicornis et de S. virginicus, ainsi que les femelles de S. flavicornis et de S. ruficornis ont été décrits pour la première fois. Les nouvelles synonymies suivantes sont proposées : S. antennatus (= Basalys californica Ashmead), S. atriclavus (= S. foutsi Masner, S. kiefferi Fouts) et S. stigmaticalis (= S. armatus Ashmead).

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References
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The Canadian Entomologist
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