Recent Examples of screwworm from the Web
First, after a nasty infection by the larvae of a parasitic fly called the screwworm began to infest the population in the fall of 2016.
From the 1950s to the early 2000s, a massive effort went into eradicating invasive screwworms—which burrow into the flesh of livestock—from the United States down to Panama.
The infestation was finally eliminated after scientists released roughly 124 million sterile screwworm flies to mate with wild flies.
The herd faced a potential extinction event last year when the first screwworm infestation in the U.S. in 30 years.
These example sentences are selected automatically from various online news sources to reflect current usage of the word 'screwworm.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.
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medical Definition of screwworm
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