ailanthus silkworm

noun

Definition of ailanthus silkworm

: a large green silkworm (Cynthia samia) native to China that feeds especially on the tree of heaven

Note: The ailanthus silkworm was introduced into the United States in the late 1800s in an unsuccessful attempt at commercial silk production.

— compare cynthia moth

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First Known Use of ailanthus silkworm

1860, in the meaning defined above

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The first known use of ailanthus silkworm was in 1860

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Cite this Entry

“Ailanthus silkworm.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/ailanthus%20silkworm. Accessed 26 Nov. 2020.

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