beet armyworm
- the caterpillar of a noctuid moth, Laphygma exigua, a pest of beets, asparagus, corn, cotton, peas, and peppers.
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Origin of beet armyworm
First recorded in 1900–05
Also called asparagus fern caterpillar.
Dictionary.com Unabridged
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018