A review of the Notonectidae or backswimmers of Iowa is presented. New state records for Buenoa macrotibialis Hungerford, Buenoa scimitra Bare, Notonecta insulata Kirby, Notonecta irrorata Uhler, and Notonecta lunata Hungerford are included.
Freese, Edwin L. and Chordas, Stephen W.
"Annotated checklist of the Notonectidae (Hemiptera: Heteroptera) or "Backswimmers" of Iowa,"
The Great Lakes Entomologist, vol 54
Available at: https://scholar.valpo.edu/tgle/vol54/iss2/8