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Screwworm Fly Detected in South Texas for First Time in Decades

June 4, 2026

Summary

The U.S. Department of Agriculture has confirmed the detection of the New World screwworm fly in South Texas, marking its first appearance in the region in decades and posing a renewed threat to cattle.

How coverage differs

Left outlets emphasize the screwworm fly's alarming re-emergence and significant threat to cattle, whereas right outlets frame it as a ‘horror’ case of a ‘flesh-eating’ pest.

  • Left: Decades-old flesh-eating screwworm threat returns to Texas cattle Left-leaning outlets highlight the re-emergence of the 'flesh-eating' screwworm fly in Texas, emphasizing its decades-long absence and the significant threat it poses to cattle. They focus on the alarming nature of this development and its potential impact on livestock in the region.
  • Right: Flesh-eating screwworm horror returns, threatening animals and humans Right-leaning outlets frame the detection of the New World screwworm in Texas as a 'horror' case, underscoring the severe danger of the 'flesh-eating' pest. They highlight the U.S. Department of Agriculture's confirmation and the serious implications for livestock.

Coverage by lane

Left

  • WATCH: Flesh-eating screwworm detected in Texas for 1st time in decades
  • Screwworm Fly Detected In Texas Decades After Cattle Threat Was Largely Eradicated In U.S.

Right

  • ‘Horror’ flesh-eating New World screwworm case detected in Texas: USDA

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