armyworm
[ ahr-mee-wurm ]
/ ˈɑr miˌwɜrm /
noun
the caterpillar of a noctuid moth, Pseudaletia unipuncta, that often travels in large numbers over a region, destroying crops of wheat, corn, etc.
any of the larvae of several related moths having similar habits.
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Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020
British Dictionary definitions for army worm
army worm
noun
the caterpillar of a widely distributed noctuid moth, Leucania unipuncta, which travels in vast hordes and is a serious pest of cereal crops in North America
any of various similar caterpillars
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
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