Should the flies reach the states, the larvae could infest livestock, pets, wildlife and, possibly, even people.

The US stopped livestock imports from northern Mexico due to the screwworm fly threat. USDA Secretary Rollins announced border tightening and a $30M sterile fly program.

The United States has temporarily closed its southern border to livestock imports due to the northward spread of the New World screwworm fly in Mexico, a flesh-eating parasite posing a significant ...

A group of canines are training to detect the smell of screwworm, a flesh-eating pest that has infected Mexico's cattle herd and disrupted livestock trade with the United States, offering a glimmer of ...

On Wednesday night, physical therapist Walter “Wally” Foxcroft died after a hyperbaric chamber caught fire in Lake Havasu City.

A detection of the New World Screwworm closer to the United States will keep the ports closed to livestock from Mexico.