Mexico's New World Screwworm outbreak halts livestock imports at the southern border as US officials work to prevent the parasitic fly from spreading to American animals.

To say the New World Screwworm is a nasty parasite would be an understatement. The flesh-eating scourge that tortures cattle ...

The U.S. Department of Agriculture announced the restrictions on livestock imports due to the troubling northward spread of ...

After a decades-long campaign to beat the parasites down to Panama, they’re speeding back up north.

The screwworm, a pest likely remembered only by our grandparents, is making headlines again. With a proper name of New World ...

Climate change could be helping the flesh-eating screwworm fly spread, undoing decades of progress — and the USDA isn’t doing ...

U.S. Sens. John Cornyn and Ted Cruz hope to fund an operation to kill the parasitic fly before too much damage is done.

New World Screwworm threat re-emerges, posing a potential economic impact of $1.8 billion for Oklahoma's agriculture.

When the fly lays its eggs in open wounds, the larvae eat the flesh of animals. Pets and livestock are particularly ...

The screwworm is getting closer to invading Texas and the United States and it's raising alarms across the state and nation, ...

Whoops! You left the door open, and one of the world’s least favorite flying guests just zipped inside: the house fly. Flies ...

A screwworm will embed its larvae into the living flesh of animals and humans and can kill either by doing so. Right now, the main concern is south Texas, so it wouldn't affect the Texas Panhandle ...