Dossier
sterile screwworm flies
Coverage of sterile screwworm flies in the Nexus archive.
- Screwworm fly detected in Texas decades after cattle threat was largely eradicated in US
The New World screwworm fly has been detected in a Texas calf, marking the first U.S. case in decades. A 12-mile quarantine zone was established, and USDA officials emphasized containment efforts, including releasing sterile flies, to prevent mass infestation.
- Screwworm fly detected in Texas decades after cattle threat was largely eradicated in US
The New World screwworm fly has been detected in a 3-week-old calf in Texas, prompting a 12-mile quarantine zone and efforts to prevent infestation. The USDA confirms this is the first case in Texas since 1966 and emphasizes containment measures like sterile fly releases to prevent mass infestation.