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subterranean caterpillar

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Definition of subterranean caterpillar

: any of various large grayish black caterpillars that are larvae of moths of the genus Oxycanus, live in burrows in the ground, and emerge at night to feed on the foliage of pasture plants (such as grass) — see porina

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“Subterranean caterpillar.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/subterranean%20caterpillar. Accessed 22 May. 2022.

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