David Voegtlin1, Doris Lagos, dlagos@uiuc.edu2, and David Onstad, onstad@uiuc.edu2. (1) Illinois Natural History Survey, Center for Ecological Entomology, 1816 S. Oak. St, Champaign, IL, (2) University of Illinois, Dept. of Entomology, 505 S. Goodwin Ave, Urbana, IL
Species 1: Hemiptera Aphididae
Rhopalosiphum padi (bird cherry-oat aphid)
Species 2: Hemiptera Aphididae
Aphis glycines (soybean aphid)
Species 3: Hemiptera Aphididae
Rhopalosiphum maidis (corn leaf aphid)