1. J. B. Wallace, Department of Entomology and Institute of Ecology, University of Georgia, Athens, GA 30602, USA.
2. S. L. Eggert, Department of Entomology, University of Georgia, Athens, GA 30602, USA.
3. J. L. Meyer, Institute of Ecology, University of Georgia, Athens, GA 30602, USA.
4. J. R. Webster, Department of Biology, Virginia Polytechnic Institute and State University, Blacksburg, VA 24061, USA.