Cochliomyia hominivorax, the New World screwworm fly, New World screwworm (NWS)[1] or simply screwworm or screw-worm, is a species of parasitic blowfly whose larvae (maggots) eat the living …

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 typically found …

4 days ago · Stay up to date on the current status of New World screwworm (NWS) in the United States, Mexico, and Central America, including latest news and detection updates. NWS is not currently …

The name screwworm refers to the feeding behavior exhibited by the maggots as they burrow (screw) into the wound. These maggots and their feeding cause extensive damage by tearing at the hosts’ …

Aug 30, 2025 · When the eggs hatch after a day or so, the larvae burrow into the skin like a screw (giving it its name) and begin to eat the flesh.

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 living tissue.

Jan 5, 2026 · Before eradication, screwworm caused hundreds of millions of dollars in financial losses each year in the U.S. Ranchers spent enormous time and money on treatment and prevention.

Jan 8, 2026 · New World Screwworm (NWS), or Cochliomyia hominivorax, is a potentially fatal disease due to severe larvae infestation and tissue destruction. A resur…

A total of 11 cases of screw worm have been reported in Tamaulipas since Dec. 30. Miller was told by Mexico’s Agro-Alimentary Public Health, Safety, and Quality (SENASICA) agency of the new cases.

May 2, 2025 · Screwworms are possibly the most aptly named parasites imaginable, both literally and figuratively. Screwworms—technically, New World Screwworms —are flies that lay eggs on the …