chestnut borer

noun

Definition of chestnut borer

: an insect that bores in the wood of the chestnut tree specifically : a small blue-black yellow-striped beetle (Agrilus bilineatus) having a flattened larva that bores in various deciduous trees

called also two-lined chestnut borer

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Learn More About chestnut borer

Dictionary Entries Near chestnut borer

chestnut blight

chestnut borer

chestnut-breasted finch

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Cite this Entry

“Chestnut borer.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/chestnut%20borer. Accessed 28 May. 2022.

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