New World Screwworm

Tropical and subtropical areas of South America and the Caribbean

Larvae (maggots) are primary parasites that feed exclusively on the living tissue of warm-blooded animals and humans; adults feed on flower nectar and rotting matter.

Female flies lay eggs at the edges of open wounds or mucous membranes. Upon hatching, larvae burrow into the flesh, feeding and growing for 5-7 days before dropping to the ground to pupate.

Extremely dangerous parasite causing myiasis, which can lead to severe tissue destruction, secondary infections, and death if left untreated. It has no ecological benefits to humans and is a major pest for livestock industries.