This Flesh-Eating Fly is Making an Unwanted Comeback

This Flesh-Eating Fly is Making an Unwanted Comeback: Here’s why farmers and scientists are concerned over the New World screwworm’s unwelcome return to the United States. By Emily Anthes The New World screwworm, a flesh-eating fly that preys on livestock and other animals, has staged an unwelcome return to the United States, 60 years after the parasitic pests were officially eradicated from the