Insectary Walter Reed Army Institute of Research’s “insectary” breeds and houses tens of thousands of mosquitos for use in malaria vaccine trials, in Silver Spring, Md., May 31, 2017. Each bucket holds approximately 250 adult mosquitos. DoD photo by Rick Docksai SHARE IMAGE: Download Image: Full Size (0.13 MB) Tags: Malaria, Zika , Walter Reed Army Institute of Research, Soldier, Army, Science and Technology Photo By: Rick Docksai VIRIN: 170531-D-ZZ999-333.JPG Photo Gallery