Two more cases of the New World screwworm have been confirmed in Texas, demonstrating the difficulty of stopping the spread of a pest that potentially could devastate the nation’s cattle industry

The New World screwworm fly is threatening the $113 billion U.S. cattle industry for the first time in more than a half century, with an infestation from its flesh-eating larvae…

As New World screwworm enters the U.S. for the first time in decades, we should be vigilant but not panic, experts told USA TODAY.

Flesh-eating screwworm parasite infection: The deadly flies were detected in Mexico late in 2024, after years of being contained at the southern end of Panama.