Ks. Pike et P. Stary, NEW SPECIES OF PARASITIC WASPS ATTACKING CEREAL APHIDS IN THE PACIFIC-NORTHWEST (HYMENOPTERA, BRACONIDAE, APHIDIINAE), Journal of the Kansas Entomological Society, 68(4), 1995, pp. 408-414
TWO new parasitoid species, Monoctonus washingtonensis sp. n. and Prao
n yakimanum sp. n. (Hymenoptera: Braconidae: Aphidiinae), reared from
cereal aphids [Diuraphis noxia (Kurdjumov) and Rhopalosiphum padi (L.)
] in Washington State are described and illustrated.