Flesh-eating screwworm is spreading in the US, threatening livestock and wildlife – hunters can be the first line of defense

By Jacob Dykes, Assistant Professor of Wildlife Management, Mississippi State University, Eric Michel, Assistant Professor of Wildlife Management, Mississippi State University, The Conversation · November 6, 2026

Over 100 screwworm cases have appeared in the US in 2026, including in elk, cattle, dogs, horses, sheep and goats. America’s 11.5 million hunters can help find these parasites to contain the spread.

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