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screwworm flies laying eggs

screwworm flies laying eggs

Screwworm flies (Cochliomyia hominivorax) were eradicated from North and Central America over the latter half of the 20th century. Keeping the flies and their flesh-eating larvae away saves saves U.S. an estimated $1.3 billion in damage to livestock every year. The adult flies shown here are laying eggs at COPEG, the Panama – United States Commission for the Eradication and Prevention of Screwworm, which mass rears sterilized screwworm flies to maintain a permanent sterile fly barrier in eastern Panama to supply sterilized screwworms for outbreak response elsewhere. (Photo credit: USDA-APHIS)

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