By Heather Schlitz
CHICAGO, June 3 (Reuters) – New World screwworm, a parasitic fly that eats warm-blooded animals alive, has been found in a calf in Texas, the U.S. Department of Agriculture said on Wednesday evening, exposing the nation’s cattle herd to a serious new threat.
(Reporting by Heather Schlitz)

By Heather Schlitz | Reuters | © Copyright Thomson Reuters 2026.
