U.S. New World screwworm detections: 48 (as of September 7, 2026)
As of September 7, 2026, The Stovall Report's tracker counts 48 confirmed New World screwworm (Cochliomyia hominivorax) detections in the United States. The figure is extracted automatically each night from the latest published official statement (A billion flies are now in the screwworm fight. Will there be enough?) and is rated medium confidence; confirm against USDA APHIS.
This page is frozen to the reading. Current figure: 52 as of September 29, 2026.
Canonical: https://stovall.report/facts/screwworm-us-detections/2026-09-07
Cite as: The Stovall Report, “U.S. New World screwworm detections,” as of September 7, 2026, https://stovall.report/facts/screwworm-us-detections/2026-09-07.
The reading
- Confirmed U.S. detections
- 48
- Active cases
- 3
- Source
- A billion flies are now in the screwworm fight. Will there be enough? (kvia.com)
- Confidence
- medium
- Extracted
Full history: U.S. detections tracker. Method: Screwworm Watch methodology. The Stovall Report is an independent tracker, not an official USDA, TAHC or COPEG source; confirm against USDA APHIS.