Earlier this month, Texas Gov. Greg Abbott told residents to brace themselves for an “extraordinarily challenging summer.” A ...

What are New World screwworms? They’re parasitic flies attracted to wounds and body openings, including the eyes, ears, nose, mouth and genitals. “Wounds as small as a tick bite may attract a female ...

How does New World Screwworm spread and what conditions make outbreaks more likely? NWS spreads when an adult female fly lays eggs in an existing wound on an animal. The larvae hatch and begin feeding ...

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 ...