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flatheaded borer

noun
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variants: or flathead borer

Definition of flatheaded borer

: any of numerous beetle larvae of the family Buprestidae that bore beneath the bark or in the sapwood of trees

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History and Etymology for flatheaded borer

so called from its much enlarged and flattened thorax

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“Flatheaded borer.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/flatheaded%20borer. Accessed 14 Jun. 2021.

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