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

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Example Sentences

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

Zambia's President Edgar Lungu has called in the air force to help contain an invasion of army worms in maize fields, his spokesman has said.

From BBC

Younger fall army worms are about a half inch to three-quarters of an inch long.

From Washington Times

They regarded them as they did the army worm.

From Project Gutenberg

Besides army worms, cut worms, locusts, green flies, leaf bugs, blister mites, and several others, nature has produced and rendered extremely prolific and hardy, these two particular pests, the boll weevil and the boll worm.

From Project Gutenberg