acorn moth

noun

: a small, whitish-gray moth (Valentinia glandulella synonym Blastobasis glandulella of the family Blastobasidae) chiefly of the central and eastern United States with larvae that develop inside nuts and especially acorns
As the autumn wears on, increasing numbers of acorn moths … gain access to acorns on the ground through insect holes, cracks, and sprouts.Mark W. Moffett, National Geographic, June 1989

Note: The larvae of acorn moths frequently enter acorns through holes made by acorn weevils.

Word History

First Known Use

circa 1871, in the meaning defined above

Time Traveler
The first known use of acorn moth was circa 1871

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Dictionary Entries Near acorn moth

Cite this Entry

“Acorn moth.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/acorn%20moth. Accessed 14 Jun. 2024.

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