1. Department of Entomology and Wildlife Ecology, University of Delaware, 250 Townsend Hall, Newark, Delaware 19716, USA
2. Veterinary Diagnostic and Investigational Laboratory, University of Georgia, PO Box 1389, 43 Brighton Rd., Tifton, Georgia 31793, USA
3. Southeastern Cooperative Wildlife Disease Study, University of Georgia, 589 D. W. Brooks Dr., Athens, Georgia 30602, USA
4. Department of Entomology and Wildlife Ecology, University of Delaware, 245 Townsend Hall, Newark, Delaware 19716, USA