Basic to our understanding of any animal and its habitat requirements is knowing what it eats. Reported here are observations of feeding by 24 species of aphids encountered in Wisconsin over 2002-2010.
Williams, Andrew H.; Lagos, Doris M.; and Trager, James C.
"Feeding Records of Aphids (Hemiptera: Aphididae) From Wisconsin, Supplement,"
The Great Lakes Entomologist, vol 44
Available at: https://scholar.valpo.edu/tgle/vol44/iss1/12