New World Screwworm Cochliomyia hominivorax (Coquerel)

This UF/IFAS publication serves as a practical reference for understanding New World screwworm (NWS), including its biology, life cycle, identification, impacts, and management. Designed for livestock producers, veterinarians, Extension professionals, and the general public, the resource explains how NWS infestations occur, the signs to watch for, and the importance of early detection and reporting. It also provides historical context on the successful eradication of NWS in the United States, discusses the recent resurgence of the pest in parts of the Americas, and highlights the surveillance and control strategies used to prevent its reestablishment. The publication combines science-based information with practical guidance to support preparedness and response efforts.