fall cankerworm


Definition of fall cankerworm

: a green or brown white-striped looper that is the larva of a small widespread North American geometrid moth (Alsophila pometaria) with gray-winged males and wingless females and that is a destructive defoliator of fruit trees and deciduous shade trees

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Cite this Entry

“Fall cankerworm.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/fall%20cankerworm. Accessed 29 Oct. 2020.

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