Arizona closed to cattle imports as flesh-eating fly detected in Texas

The larvae of the New World Screwworm are the first found among US cattle in decades. None have been found in Arizona.
Public Broadcasting Service (PBS)

What to know about the New World screwworm fly and its U.S. reappearance

The New World screwworm fly is threatening the $113 billion U.S. cattle industry for the first time in more than a half ...