hemlock woolly adelgid

noun

Definition of hemlock woolly adelgid

: a woolly adelgid (Adelges tsugae) of Formosa, Japan, and the northwestern U.S. that has been introduced into the eastern U.S. where it is a serious pest of the eastern hemlock — see woolly adelgid

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“Hemlock woolly adelgid.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/hemlock%20woolly%20adelgid. Accessed 20 Sep. 2020.

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