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

The US has fought to keep the New World screwworm, a parasitic fly whose larvae "eat animals alive," out of North America ...

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

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

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.

USDA will invest $21 million to expand a Mexico facility, aiming to double sterile fly production and strengthen efforts to ...

More than a thousand people who worked to keep American agriculture free of pests and disease have left the federal workforce ...

U.S. Sens. John Cornyn and Ted Cruz co-introduced a bill to build an American facility that would curb the reproduction of ...

The U.S. Department of Agriculture (USDA) has suspended livestock imports from Mexico to Texas to prevent the spread of the ...

Screwworm outbreak in Mexico leads to six human cases and a U.S. livestock import ban, threatening public health and cattle ...

The latest halt in cattle imports via the U.S.-Mexico border comes only months after imports were stopped due to the same ...