A flesh-eating cattle parasite is spreading in Texas as new far-flung screwworm cases are found
Associated Press
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FILE - An adult New World screwworm fly sits in this undated photo. (Denise Bonilla/U.S. Department of Agriculture via AP)FILE - A test container of dyed fly pupae are displayed at a Domestic New World Screwworm Sterile Fly Production Facility to combat the northward spread of NWS and protect American livestock, in Edinburg, Texas, Feb. 9, 2026. (AP Photo/Eric Gay, File)
U.S. Department of Agriculture
FILE - An adult New World screwworm fly sits in this undated photo. (Denise Bonilla/U.S. Department of Agriculture via AP)