Among farmers and ranchers, the New World screwworm fly ranks among the most reviled ... whose agency monitors the state’s livestock herds for a wide range of animal pests and diseases.

Mexico will resume cattle exports to the United States starting this week, after the detection of screwworm parasites ...

Cattle and bison imports from Mexico are scheduled to resume soon, according to a recent announcement by the United States ...

There are a lot of threats to Texas’ white-tailed deer population including Chronic Wasting Disease and the occasional ...

The New World screwworm fly was eradicated in the US in the mid-1960s, but a new sighting in southern Mexico has authorities in Texas on alert for a little insect that can do a lot of damage.

What keeps the screwworm fly from flying across the border? The length of time the border remains closed is becoming fishy. Seemingly, details of this issue are nonexistent. Making it even more ...

The U.S. suspended imports of certain Mexican livestock in November after flesh-eating screwworm fly larvae was detected in the south of the country. The two governments reached a technical ...

According to APHIS, New World screwworm (NWS) is a devastating pest. When NWS fly larvae (maggots) burrow into the flesh of a living animal, they cause serious, often deadly damage to the animal.

The New World screwworm, so named because it can burrow into an open wound like a screw driving into wood, is the larvae of an invasive fly, which deposits its larvae into an open wound.