1. 1Department of Biochemistry, Molecular Biology, Entomology and Plant Pathology, 100 Twelve Lane, Clay Lyle Entomology Bldg., Mississippi State University, Mississippi State, MS 39762.
2. 3Division of Bacteriology and Parasitology, Tulane National Primate Research Center, Covington, LA.
3. 4Division of Vector Borne Diseases, Centers for Disease Control and Prevention, Ft. Collins, CO.