1. School of Forest Resources and Southeastern Cooperative Wildlife Disease Study, Department of Parasitology, College of Veterinary Medicine, The University of Georgia, Athens, Georgia 30602 USA
2. James A. Baker Institute for Animal Health, New York State College of Veterinary Medicine, Cornell University, Ithaca, New York 14853 USA
3. Southeastern Cooperative Wildlife Disease Study, Department of Parasitology, College of Veterinary Medicine, The University of Georgia, Athens, Georgia 30602 USA
4. South Carolina Wildlife and Marine Resources Department, Post Office Box 167, Columbia, South Carolina 29202 USA
5. South Carolina Department of Health and Environmental Control, 2600 Bull Street, Columbia, South Carolina 29201 USA