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 confirmed in south Texas.

The U.S. Department of Agriculture has confirmed that the New World screwworm fly has arrived in south Texas.

The U.S. Department of Agriculture has confirmed that the New World screwworm fly has arrived in south Texas

The flesh-eating larvae has threatened the nation's cattle industry