1. Department of Entomology, University of Georgia , 120 Cedar Street, 413 Biological Sciences Building, Athens, GA 30602 , USA
2. Department of Entomology, University of Illinois at Urbana–Champaign , 320 Morrill Hall, 505 S. Goodwin Ave., Urbana, IL 61801 , USA
3. Illinois Natural History Survey, Prairie Research Institute, University of Illinois at Urbana–Champaign , 1816 South Oak Street, MC 652, Champaign, IL 61820 , USA