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What to know about the New World screwworm fly and its reappearance in the US
The New World screwworm fly has reappeared in the U.S. after more than 50 years, with an infestation confirmed in a Texas calf. The flesh-eating larvae pose a threat to the $113 billion cattle industry, prompting eradication efforts like sterile male fly releases. The fly was first detected in Mexico in 2024, raising alarms as it spreads toward the U.S.
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- What to know about the New World screwworm fly and its reappearance in the US
- What to know about the New World screwworm fly and its reappearance in the US
- What to know about the New World screwworm fly and its reappearance in the US
- What to know about the New World screwworm fly and its reappearance in the U.S.
- Flesh-eating screwworm returns to U.S. after 60 years, threatening cattle herd
- Screwworm fly detected in Texas decades after cattle threat was largely eradicated in US