Amphorophora coloutensis Smith, C.F. & Knowlton, 1983

Smith, C. F. & Knowlton. 1983. A key to the species of aphids (Homoptera: Aphididae) on wild Geranium spp. in the United States, with the descriptions of a new species. Proceedings of the Entomological Society of Washington 85(4):686-690