grass webworm

noun

Definition of grass webworm

: any of numerous small grubs that are the larvae of grass moths and that spin webs around the base and roots of the grasses on which they feed

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“Grass webworm.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/grass%20webworm. Accessed 30 Nov. 2020.

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