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hemlock sawfly

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Definition of hemlock sawfly

: a sawfly (Neodiprion tsugae) of western North America having a larva that is a serious defoliator of western hemlock and occasionally other conifers

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“Hemlock sawfly.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/hemlock%20sawfly. Accessed 17 Jan. 2021.

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