corn rootworm

noun

Definition of corn rootworm

: any of several chrysomelid beetles (genus Diabrotica) whose root-eating larvae are pests especially of corn

Examples of corn rootworm in a Sentence

Recent Examples on the Web Trapping and studying the corn rootworm has been Verónica Calles Torrez’s route to exploring North Dakota. NBC news, 15 Sep. 2021 The western corn rootworm beetle grows to only the length of a grain of rice. Tess Joosse, Scientific American, 16 Aug. 2021 Cucumber beetle larvae, also known as corn rootworms, feed on corn roots, causing plants to weaken and collapse. The Editors Of Organic Life, Good Housekeeping, 5 Apr. 2016

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

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First Known Use of corn rootworm

1892, in the meaning defined above

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Time Traveler for corn rootworm

Time Traveler

The first known use of corn rootworm was in 1892

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Dictionary Entries Near corn rootworm

corn-root aphid

corn rootworm

corn rose

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Statistics for corn rootworm

Cite this Entry

“Corn rootworm.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/corn%20rootworm. Accessed 28 Nov. 2021.

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More from Merriam-Webster on corn rootworm

Britannica.com: Encyclopedia article about corn rootworm

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