1. Department of Entomology, University of Illinois at Urbana-Champaign, 505 South Goodwin Avenue, IL 61801, USA.
2. Institute for Genomic Biology, University of Illinois at Urbana-Champaign, IL 61801, USA.
3. Program for Ecology and Evolutionary Biology, University of Illinois at Urbana-Champaign, IL 61801, USA.
4. Department of Molecular Biology and Genetics, Cornell University, Ithaca, NY 14853, USA.
5. Department of Entomology, Texas A & M University, College Station, TX 77843, USA.