Michael W. DrydenFrom the Department of Pathology and Microbiology (Dryden, Moore), College of Veterinary Medicine, and the Department of Entomology (Broce), Kansas State University, Manhattan, KS 66506-5605.
Alberto B. BroceFrom the Department of Pathology and Microbiology (Dryden, Moore), College of Veterinary Medicine, and the Department of Entomology (Broce), Kansas State University, Manhattan, KS 66506-5605.
William E. MooreFrom the Department of Pathology and Microbiology (Dryden, Moore), College of Veterinary Medicine, and the Department of Entomology (Broce), Kansas State University, Manhattan, KS 66506-5605.