New World Screwworm Moves Beyond Containment Threshold - Oklahoma Farm Report

Mississippi Board of Animal Health issues alert for New World screwworm

The Mississippi Board of Animal Health urges animal owners to be aware of New World screwworm (NWS), an invasive pest that poses a serious threat to livestock and other warm-blooded animals, including pets, and in rare cases, humans. Adult screwworm flies have orange eyes, a metallic blue or green body, and three dark stripes along their backs. The unique ability of screwworm larvae to feed on fresh flesh is what makes this insect so dangerous t…

New World Screwworm Moves Beyond Containment Threshold - Oklahoma Farm Report

To protect the U.S. from a new threat posed by an old foe, the New World Screwworm (NWS), the U.S.-Mexico border was closed on May 11 to cattle, bison, and horses from Mexico. This pest was eradicated from the U.S. in 1966 and eliminated as far south as Panama by 2000. NWS began re-emerging above the biological barrier in