Jerome Goddard,¹ Gerald T. Baker,¹ Christopher D. Paddock,² Travis C. Smith,³ Richard G. Robbins<sup>4,5,6

1</sup>Department of Biochemistry, Molecular Biology, Entomology and Plant Pathology, 100 Twelve Lane, Clay Lyle Entomology Building, Mississippi State University, Mississippi State, MS 39762, U.S.A. E-mail:
²Rickettsial Zoonoses Branch, Centers for Disease Control and Prevention, 1600 Clifton Rd., Atlanta, GA 30333 U.S.A.
³Texas Parks and Wildlife Department, Black Gap Wildlife Management Area, Alpine, TX 79830 U.S.A.
⁴Walter Reed Biosystematics Unit, Smithsonian Institution, Museum Support Center, Suitland, MD 20746 U.S.A.
⁵One Health Branch, Walter Reed Army Institute of Research, Silver Spring, MD 20910 U.S.A.
⁶Department of Entomology, Smithsonian Institution, National Museum of Natural History, Washington, DC 20560 U.S.A.