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tanbark beetle

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Definition of tanbark beetle

1 : the adult of the tanbark borer
2 : a small black boring beetle (Stephanopachys substriatus) that infests hemlock tanbark

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“Tanbark beetle.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/tanbark%20beetle. Accessed 28 Jan. 2021.

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