A single cow in Mexico and a pest the size of a housefly have held up pens ... cattle imports since November after a parasite known as screwworm, which wriggles into the flesh of livestock and ...

Give a screwworm an inch, and it’ll take a mile. This pernicious pest, which, in its adult form, has bulging orange eyes and a metallic blue-green body, has held insecta non grata status in ...

The maggot, known as the New World screwworm, can infect cattle, deer, pets and even humans. The New World screwworm, so named because it can burrow into an open wound like a screw driving into ...

Screwworm larvae only feed on living flesh and ... The NWS fly, which is about double the size of a typical house fly, then lays up to 300 eggs at a time in the wound. Then, the larvae burrow ...

Placements were at 105% which was above expectations. Instead the market latched on to the weekend headline about New World Screw worm detected in a Mexican cow and border restrictions that followed.

The New World Screwworm is making its way further north through the Americas. “It has always had the attention of the livestock community, especially in Texas,” said Dan Suiter, an entomologist with ...

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.

Before now it was the impact of screwworm back in the 1960s and to a lesser degree again in the 1970s. The screwworm outbreak was something that happened before most of today’s hunters were even ...