pepper-and-salt moth

noun

Definition of pepper-and-salt moth

: a geometrid moth (Biston cognataria) having a larva that feeds on various deciduous plants (as willow, apple, and black currant)

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History and Etymology for pepper-and-salt moth

so called from the sprinkling of dark brown or black on its dull white wings

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Cite this Entry

“Pepper-and-salt moth.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/pepper-and-salt%20moth. Accessed 28 Sep. 2020.

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