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Forbes scale

noun
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\ ˈfȯrbz- \

Definition of Forbes scale

: a thin grayish armored scale (Aspidiotus forbesi) attacking fruit trees and resembling the San Jose scale but usually much less destructive

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History and Etymology for Forbes scale

after Stephen A. Forbes †1930 American entomologist

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“Forbes scale.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/Forbes%20scale. Accessed 6 Mar. 2021.

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