USDA Shifts Sterile Fly Dispersal Efforts to Prevent Spread of New World Screwworm The U.S. Department of Agriculture’s Animal and Plant Health Inspection Service (APHIS) has announced a significant shift in its sterile fly dispersal strategy aimed at stopping the northward spread of New World Screwworm (NWS). The adjustment moves dispersal operations closer to the U.S.-Mexico border to reinforce protection …
