The Facts About New World Screwworm New World screwworm (NWS, Cochliomyia hominivorax) is a serious pest that affects livestock, pets, wildlife, and, less commonly, people …

Infestation of a live vertebrate animal by a maggot is scientifically termed myiasis. While the maggots of many fly species eat dead flesh, and may occasionally infest an old and putrid …

Aug 27, 2025 · New World screwworm (NWS) is a species of parasitic fly that can cause myiasis and feeds on live tissue. It primarily affects livestock, but it can also infest people. NWS is …

Aug 25, 2025 · U.S. officials confirmed a case of the flesh-eating parasite in a person who traveled from El Salvador. Screwworm typically affects cattle in South America but has spread …

Aug 26, 2025 · Cochliomyia hominivorax, the New World screw-worm fly, or screw-worm for short, is a species of parasitic fly that is well known for the way in which its larvae (maggots) eat the …

Dec 22, 2025 · Earlier this fall, the New World screwworm – the flesh-burrowing larva of a blowfly (Cochliomyia hominivorax) – was detected in cattle in Mexico just 70 miles from the U.S. …

Dec 22, 2025 · Although the New World screwworm has been eradicated from the United States for many years, the recent movement of the pest through Central America and Mexico is a …

Jul 3, 2025 · The reemergence of the New World screwworm (Cochliomyia hominivorax) poses a significant threat to animal and public health with minimal regulatory oversight.

The New World screwworm (Cochliomyia hominivorax) is a parasitic fly whose larvae feed on living flesh, causing severe wounds in animals and humans. Though eradicated in many …

Jul 9, 2025 · New World screwworms are the flesh-eating, larval form of Cochliomyia hominivorax, a species of blow fly.