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 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.

See More

First Known Use of corn rootworm

1892, in the meaning defined above

Learn More About corn rootworm

Time Traveler for corn rootworm

Time Traveler

The first known use of corn rootworm was in 1892

See more words from the same year

Dictionary Entries Near corn rootworm

corn-root aphid

corn rootworm

corn rose

See More Nearby Entries 

Statistics for corn rootworm

Cite this Entry

“Corn rootworm.” Dictionary, Merriam-Webster, Accessed 28 Nov. 2021.

Style: MLA
MLACheck Mark Icon ChicagoCheck Mark Icon APACheck Mark Icon Merriam-WebsterCheck Mark Icon

More from Merriam-Webster on corn rootworm Encyclopedia article about corn rootworm


Test Your Vocabulary

Difficult Spelling Words Quiz

  • alphabet pasta spelling help
  • Which is the correct spelling?
Spell It

Can you spell these 10 commonly misspelled words?

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!