New World screwworms are the flesh-eating, larval form of Cochliomyia hominivorax, a species of blow fly. - Michael Miller/Texas A&M AgriLife Hundreds of millions of flies dropping from planes in ...

I got the name "blow fly" because people noticed I'm always hanging around on carcasses when they are swollen, or blown. Check out my looks: I'm larger than a house fly and metallic-green in color.

Screwworm dangers New World screwworms are the parasitic larva of a metallic blue blow fly species called Cochliomyia hominivorax. Unlike all other blow flies native to the Western Hemisphere, the New ...