Gabriela E. Zollner, gabriela.zollner@us.army.mil¹, David F. Hoel, HoelD@NAMRU3.med.navy.mil², Hanafi A. Hanafi, HanafiH@namru3.med.navy.mil², Roxanne Flores, Roxanne.Flores@AMEDD.ARMY.MIL¹, and Russell Coleman, russell.coleman@na.amedd.army.mil³. (1) Walter Reed Army Institute of Research, Division of Entomology, 503 Robert Grant Avenue, Silver Spring, MD, (2) U.S. Naval Medical Research Unit # 3, Extension of Ramses Street, Adj. to Abbassia Fever Hospital, Cairo, Egypt, (3) Walter Reed Army Institute of Research, Entomology, 503 Robert Grant Avenue, Silver Spring, MD