The Iowa State Insect Collection (ISIC), which is housed in the Department of Entomology, Iowa State University, is the only major entomological collection in the state of Iowa. A primary source of insect specimens from prairie habitats of Iowa, and because of significant collections by H.H. Knight, J.A. Slater, and H.M Harris (Hemiptera), J.L. Laffoon and W.A. Rowley (Diptera), R.L. Lewis (Siphonaptera), and G W. Courtney (Diptera and aquatic insects).