Science

Screwworm Fly Detected in Texas

Updated 2026-06-04 14:20 UTC 1 source Neutral

A New World screwworm has been detected for the first time in decades in Zavala County, southwest of San Antonio, Texas. The U.S. Department of Agriculture confirmed the presence of this flesh-eating parasite.

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The Hill

Screwworm fly detected in Texas for first time in decades

A flesh-eating parasite has been detected in Texas, the U.S. Department of Agriculture (USDA) Animal and Plant Inspection Service confirmed Wednesday. A New World screwworm (NWS) was found in a young calf in Zavala County, which is southwest of San Antonio, Texas. This is the only confirmed case at

2026-06-04 13:50 UTC