Adult New World screwworm flies resemble the common blowfly but have multiple distinguishing features.

The U.S. has again ceased livestock imports from Mexico related to the presence of the parasitic New World screwworm fly closer to the border.

The Department of Agriculture on Wednesday halted cattle shipments from Mexico to the United States over concerns of the New World screwworm parasite's rapid spread.

The Darién Gap, a perilous journey for millions of migrants, has also become a corridor for the northward spread of the New World screwworm, a parasitic fly challenging decades of containment.

Oral myiasis, a rare parasitic infestation, occurs when fly larvae invade mouth tissues due to poor hygiene, wounds, or weakened immunity. Primarily f ...

Texas officials are stepping up their plans to stop the spread of a flesh-eating parasite, Reuters reports. The parasite, known as the New World screwworm (Cochliomyia hominivorax), has triggered ...

Officials in nine countries are trying to get a handle on the New World screwworm, a fly whose larvae eat the living flesh of livestock. The pest is marching northward at an alarming rate and has ...

Without treatment, myiasis caused by screwworms leads to severe pain, swelling, infection, and often death. The wound enlarges, and infections are likely as the larvae consume tissue. This secondary ...

Screwworm outbreak in Mexico leads to six human cases and a U.S. livestock import ban, threatening public health and cattle exports.

Mexico's New World Screwworm outbreak halts livestock imports at the southern border as US officials work to prevent the parasitic fly from spreading to American animals.

New World screwworm flies cause myiasis, an infection of flesh-eating maggots that burrow into the skin of living animals, causing serious and often fatal damage, Reuters reported.