spruce budworm

noun

Definition of spruce budworm

: a tortricid moth (Choristoneura fumiferana) whose larva feeds on evergreen trees (such as spruce and balsam fir) in the northern U.S. and Canada also : a related moth (C. occidentalis) of the northwestern U.S. and adjacent Canada

Examples of spruce budworm in a Sentence

Recent Examples on the Web One of the major uses of DDT was controlling insect outbreaks, like spruce budworm, in conifer forests across North America. Jason Daley, Smithsonian, "Decades After DDT Was Banned, It Still Impacts Canadian Lakes," 15 June 2019

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'spruce budworm.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

First Known Use of spruce budworm

1883, in the meaning defined above

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The first known use of spruce budworm was in 1883

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Cite this Entry

“Spruce budworm.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/spruce%20budworm. Accessed 27 Sep. 2020.

More from Merriam-Webster on spruce budworm

Britannica.com: Encyclopedia article about spruce budworm

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