1. Department of Biological Sciences, Florida International University, Miami, FL 33199
2. Department of Botany, Academy of Natural Sciences, and Department of Biodiversity Earth and Environmental Sciences, Drexel University, Philadelphia, PA 19103
3. Department of Biological and Environmental Sciences, Georgia College and State University, Milledgeville, GA 31061
4. National Chung Hsing University, Taiwan; present address: Department of Entomology, Pennsylvania State University, University Park, PA 16802