A new species of Trioxys (Hymenoptera: Braconidae: Aphidiinae) parasitic on the bird cherry-oat aphid, Rhopalosiphum padi (L.) (Hemiptera: Aphididae) in the pacific northwest

Published in Proceedings of the Entomological Society of Washington, in 2007, in volume 109, pages 541-546

Date published:2007

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