The New World Screwworm Is Back. Here’s What That Means.

Farmers and scientists are concerned about the return of the New World screwworm to the United States, a parasitic insect that can cause significant damage to livestock. The screwworm's presence can lead to substantial economic losses for the livestock industry, as it infests wounds and feeds on the tissue of warm-blooded animals. The insect was previously eradicated from the US in the 1960s, but its reappearance has prompted renewed efforts to control its spread and mitigate its impact. Eradication efforts are underway to prevent the screwworm from establishing a foothold in the country.

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