Texas declares statewide emergency over screwworm outbreak
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Texas authorities are responding to a growing outbreak of New World screwworm, a flesh-eating parasitic fly that infests warm-blooded animals, including livestock, wildlife, and pets. The crisis began with detection in a calf in Zavala County on June 3, 2026, and by Tuesday morning, June 16, officials had confirmed 12 infestations across the state, extending from South Texas into the Hill Country and Sutton County, with one canine case reported in neighboring New Mexico. Governor Greg Abbott has declared a statewide disaster, triggered an escalated State Emergency Operations Center response, imposed animal movement quarantines, and coordinated with USDA on sterile-fly suppression operations.
Prepared by Olivia Bennett and reviewed by editorial team.
Timeline of Events
- Jun 3, 2026 Screwworm first detected in Zavala County calf
- Early June 2026 Outbreak spreads across South Texas counties
- Mid-June 2026 Infestations reach Hill Country region
- Mid-June 2026 Case confirmed in Sutton County livestock
- Mid-June 2026 Dog infection reported in New Mexico
- June 16, 2026 Twelve infestations confirmed statewide Texas
- June 16, 2026 Governor Abbott declares statewide disaster emergency
- June 16, 2026 USDA deploys sterile male flies statewide
News Intelligence
- The screwworm outbreak in Texas affects more than just livestock. It's a threat to pets and wildlife too. If you're in the affected areas, keep a close eye on your animals. Look for unusual wounds or discomfort.
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