Arizona screwworm resources
Verified official and extension pages for New World screwworm in Arizona. Report suspicious wounds to your state animal health office or vet.
If you see a wound with maggots
- Report it Call your state animal health official or your vet. USDA asks anyone who sees suspicious wounds, maggots, or infestations in animals to report them.
- Do not wait Screwworm larvae feed on living flesh. It can kill an animal if not treated.
- Keep checking Look at wounds, navels on newborns, and tag or brand sites during warm weather.
Verified sources
- New World Screwworm University of Arizona Cooperative Extension · Case status · checked Nov 3, 2026
- USDA Confirms New World Screwworm in Arizona USDA APHIS · News · checked Nov 3, 2026
- Livestock inspection guide for New World screwworm University of Arizona Cooperative Extension · Guidance · checked Nov 3, 2026