corn earworm

noun
corn ear·​worm | \ -ˈir-ˌwərm How to pronounce corn earworm (audio) \

Definition of corn earworm

: a noctuid moth (Helicoverpa zea synonym Heliothis zea) whose large striped yellow-headed larva is especially destructive to corn, tomatoes, tobacco, and cotton bolls

Examples of corn earworm in a Sentence

Recent Examples on the Web Pests monitored: Pheromone lures are available for diamondback moths and moths that produce armyworms, cabbage loopers, corn earworms, European corn borers, tomato pinworms, and cutworms. The Editors Of Organic Life, Good Housekeeping, "The 7 Best Organic Pest Control Techniques For Your Garden," 18 Dec. 2017

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'corn earworm.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

First Known Use of corn earworm

1802, in the meaning defined above

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The first known use of corn earworm was in 1802

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Cite this Entry

“Corn earworm.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/corn%20earworm. Accessed 4 Mar. 2021.

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More from Merriam-Webster on corn earworm

Britannica.com: Encyclopedia article about corn earworm

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