army worm Hear it!

army worm definition

☆ army worm

any of the larvae of certain noctuid moths, esp. of the moth (Pseudaletia unipuncta) of which the caterpillar is dark-striped green and yellow: these larvae travel in large groups, ruining crops and grass

Webster's New World College Dictionary Copyright © 2009 by Wiley Publishing, Inc., Cleveland, Ohio.
Used by arrangement with John Wiley & Sons, Inc.

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