1. Department of Entomology; W. M. Keck Center for Behavioral Biology; North Carolina State University; Campus Box 7613 Raleigh NC 27695 USA
2. I.R.B.I. CNRS UMR 7261; Faculté des Sciences et Techniques; Université François Rabelais; Parc de Grandmont 37200 Tours France
3. Department of Entomology; Virginia Tech University; Blacksburg VA 24061 USA
4. Department of Biology; North Carolina State University; Campus Box 7617 Raleigh NC 27695 USA