Insect Housing Army Col. Paul Keiser, director of Walter Reed Army Institute of Research’s Viral Diseases branch, holds one of the insectary’s mosquito habitats at WRAIR in Silver Spring, Md., May 31, 2017.Around 250 adult mosquitos live in each bucket. DoD photo by Rick Docksai SHARE: Download: Full Size (0.14 MB) Tags: Malaria, Soldier, Zika, Walter Reed Army Institute of Research, Army, Science and Technology Credit: Rick Docksai VIRIN: 170531-D-ZZ999-888.JPG Photo Gallery