The New World screwworm is one of the most destructive livestock parasites ever seen in the Americas. After decades of ...

The New World screwworm lays its eggs in open wounds and burrows into skin. While human infections are rare, the insect poses an existential threat to cattle farming and dairy production. And it is ...

At least seven cases of the flesh-eating New World screwworm fly have been confirmed in Texas and New Mexico across six ...

Here’s why farmers and scientists are concerned over the New World screwworm’s unwelcome return to the United States.

Arizona is establishing import bans and fly traps to protect livestock as a flesh-eating fly outbreak emerges in Texas and ...

When the US Department of Agriculture reported last week that it detected a case of New World screwworm in a Texas calf, ...

A devastating agricultural pest, the New World Screwworm Fly (NWS), has been eradicated in the United States since 1982. Today, it’s marching closer to American borders, and local, state, and national ...

Texas officials are urging faster development of a specialized fly-breeding facility designed to combat the spread of the New ...

The New World screwworm fly has reached south Texas, the U.S. Department of Agriculture confirmed June 3, the first time in decades that the parasite with flesh-eating larvae has threatened the nation ...

The screwworm is actually a fly larva that eats living flesh instead of dead material. The flies lay their eggs in open ...

A flesh-eating parasitic fly has spread north through Mexico to within a few hundred miles of the U.S. southern border. The New World screwworm (Cochliomyia hominivorax) lays its eggs in open wounds ...