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army worm

British  

noun

  1. 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

  2. any of various similar caterpillars

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Example Sentences

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But she has no way to protect her crops from the plague of fall army worm, a pest that has invaded southern Africa as rainfall patterns changed.

From New York Times Nov. 17, 2022

On a lesser scale, three kinds of insects are attacking sweet corn in Maryland and Pennsylvania: the fall army worm, the corn-ear worm and the European corn borer.

From Time Magazine Archive

It is neither a boll weevil nor an army worm, and the state entomologist, Prof. T. H. Jones, is investigating.

From Time Magazine Archive

They regarded them as they did the army worm.

From The Women of the Confederacy by Underwood, J. L.

Perhaps you have read of the army worm and of the harm it does to grass and grain.

From Friends and Helpers by Eddy, Sarah J.

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