PoliticsSeptember 4, 2026

screwworm

SKROO-wurm

Definition

A parasitic fly larva that feeds on the living tissue of warm-blooded animals, causing significant health problems or death to livestock.

Etymology

The term is a compound of the words 'screw' and 'worm,' describing the larva's appearance, which features ridges that resemble the threads of a screw.

In the news

The article uses the term to describe a specific pest that the U.S. government is actively working to eradicate in cattle through the use of sterile fly populations.

President Trump puts Colorado farmers and ranchers first | GUEST COLUMN

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Colorado Politics

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