
APHIS expands biological barrier into Mexico to help prevent screwworm spread
Friday, February 28, 2025 • 3 PM
Photo courtesy of USDA APHIS
USDA's Animal and Plant Health Inspection Service (APHIS) is adjusting its New World screwworm (NWS) sterile fly dispersal strategy to help keep the pest out of the U.S., according to a news release from APHIS.