green·​bug ˈgrēn-ˌbəg How to pronounce greenbug (audio)
: a green aphid (Schizaphis graminum) that is a pest especially of cereal and forage grasses

Word History

First Known Use

1879, in the meaning defined above

Time Traveler
The first known use of greenbug was in 1879

Dictionary Entries Near greenbug

Cite this Entry

“Greenbug.” Dictionary, Merriam-Webster, Accessed 1 Oct. 2023.

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