corn rootworm


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 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, "How To Grow Corn," 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.

First Known Use of corn rootworm

1892, in the meaning defined above

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The first known use of corn rootworm was in 1892

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Cite this Entry

“Corn rootworm.” Dictionary, Merriam-Webster, Accessed 24 Nov. 2020.

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