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State and Federal biologists in Florida have confirmed an outbreak of screwworm flies among the endangered Key Deer in the Florida Keys. Since July 2016, 15% of the population has died. Screwworm larvae were confirmed in September and control efforts have begun. The parasite hasn’t been found in the United States since the 1960s.
Read more at the New York Times.
Learn more about obligatory myiasis-producing flies in the MSD Veterinary Manual.