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Title: Food plant, life history notes, and distribution of Nematus Atriceps (Marlatt) (Hymenoptera: Tenthredinidae)

Author
item Poinar, George
item Smith, David R

Submitted to: Proceedings of the Entomological Society of Washington
Publication Type: Peer Reviewed Journal
Publication Acceptance Date: 3/19/2003
Publication Date: 6/17/2003
Citation: Poinar, G., Smith, D.R. 2003. Food plant, life history notes, and distribution of Nematus Atriceps (Marlatt) (Hymenoptera: Tenthredinidae). Proceedings of the Entomological Society of Washington. 105:778-780.

Interpretive Summary: The caterpillarlike larvae of sawflies feed on many plants of importance to agriculture and forestry. Food plants are still unknown for many species. In Oregon, larvae of one species were found feeding on clover which is a new food plant record. The life history and distribution of this western North American species is presented. This is of use to scientists interested in plant-insect interactions and agricultural personnel who may find insects damaging clover.

Technical Abstract: Reared adults from larvae discovered feeding on a clover, Trifolium wormskjolkii Lenm. (Leguminosae) are Nematus atriceps (Marlatt) (Tenthredinidae: Nematinae). This is a new food plant record for this species. Notes on the biology of the sawfly are given. It occurs from the Rocky Mountains to the Pacific Coast in the United States and Canada.