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oak blight

noun
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Definition of oak blight

: a black plant louse (Anoecia guerci) that lives on the small branches of oak trees and on the dogwood

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“Oak blight.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/oak%20blight. Accessed 21 Jun. 2021.

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