Japanese beetle


Definition of Japanese beetle

: a small metallic green and brown scarab beetle (Popillia japonica) that has been introduced into eastern North America from Japan and as a grub feeds on the roots of grasses and decaying vegetation and as an adult eats foliage and fruits

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Illustration of japanese beetle

Japanese beetle

First Known Use of Japanese beetle

1900, in the meaning defined above

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The first known use of Japanese beetle was in 1900

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Cite this Entry

“Japanese beetle.” The Merriam-Webster.com Dictionary, Merriam-Webster Inc., https://www.merriam-webster.com/dictionary/Japanese%20beetle. Accessed 29 January 2020.

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More Definitions for Japanese beetle

Japanese beetle


English Language Learners Definition of Japanese beetle

: a small green and brown beetle that is originally from Asia and that causes damage to plants in the U.S.

Japanese beetle


Kids Definition of Japanese beetle

: a small glossy green or brown Asian beetle now found in the United States that as a grub feeds on roots and as an adult eats leaves and fruits

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to assert without proof or before proving

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