flour beetle


: any of various small darkling beetles (especially Tribolium confusum and T. castaneum) that typically feed on and lay eggs in stored grain and grain products

Example Sentences

Recent Examples on the Web Confused flour beetle by Sarefo (via Wikimedia commons). Elizabeth Preston, Discover Magazine, 17 Nov. 2015 In species like the flour beetle (Tribolium castaneum), the behavior may also impart a reproductive advantage, since studies have shown that cannibalistic individuals produce more eggs than non-cannibals. Bill Schutt, Discover Magazine, 3 Jan. 2019 The male flour beetle has to battle other males over the right to mate with a female. Ed Yong, Discover Magazine, 14 Apr. 2010 The two most promising species are flour beetles and black soldier flies, specifically the larval stages of these animals. The Economist, 4 July 2019 The team bred six populations of red flour beetles, and watched them for 80 to 100 generations in male-biased and female-biased groups. Laura Yan, Popular Mechanics, 13 May 2018

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

Word History

First Known Use

1888, in the meaning defined above

Time Traveler
The first known use of flour beetle was in 1888

Dictionary Entries Near flour beetle

Cite this Entry

“Flour beetle.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/flour%20beetle. Accessed 22 Mar. 2023.

Kids Definition

flour beetle

: any of several usually flattened brown beetles that are pests especially in flour or meal
Last Updated: - Updated example sentences
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