The Abbotii and Erythrogaster Groups of Nematus Panzer (Hymenoptera: Tenthredinidae) in North America

David R. Smith

doi:10.4289/07-082.1

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David R. Smith^*

^*Systematic Entomology Laboratory, PSI, Agricultural Research Service, U.S. Department of Agriculture, c/o National Museum of Natural History, Smithsonian Institution, P.O. Box 37012, MRC 168, Washington, DC 20013-7012, U.S.A. (e-mail: dave.smith@ars.usda.gov)

Abstract

Species of the abbotii and erythrogaster groups of Nematus Panzer are revised. The abbotii group includes N. abbotii (Kirby), N. laticulus (Noton), and N. tertius, n. sp. The erythrogaster group includes N. carpini (Marlatt), N. corylus Cresson, N. erythrogaster Norton, N. hamamelis, n. sp., and N. latifasciatus Cresson. Pteronus dyari Marlatt, 1896, is a new synonym of Nematus latifasciatus Cresson, 1880. The species are described, illustrated, and keyed. All occur in eastern North America with two species extending west to Alberta and British Columbia. Host plants are species of Alnus, Betula, Carpinus, Corylus, Ostrya (Corylaceae), Hamamelis (Hamamelidaceae), and Robinia (Fabaceae).

Citation Download Citation

David R. Smith "The Abbotii and Erythrogaster Groups of Nematus Panzer (Hymenoptera: Tenthredinidae) in North America," Proceedings of the Entomological Society of Washington 110(3), 647-667, (1 July 2008). https://doi.org/10.4289/07-082.1

Published: 1 July 2008

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