1. U.S. Vegetable Laboratory, United States Department of Agriculture, Agricultural Research Service, Charleston, SC 29414, USA
2. Tennessee Valley Authority, Knoxville, TN 37902, USA
3. United States Fish and Wildlife Service, Cookeville, TN 38501, USA
4. Department of Entomology and Plant Pathology, The University of Tennessee, 2505 EJ Chapman Drive, Knoxville, TN 37996, USA