tobacco hornworm


: an American hawk moth (Manduca sexta) whose large usually green larva is a hornworm that feeds on the leaves of plants of the nightshade family and especially tobacco and tomato

Examples of tobacco hornworm in a Sentence

Recent Examples on the Web Thus, something unique to the bite of the tobacco hornworm induces a rearrangement around the double bond of GLVs [Ars Technica]. Andrew Moseman, Discover Magazine, 26 Aug. 2010 On the other hand, plants damaged by larvae of the tobacco hornworm (Manduca sexta), release a roughly equal mixture of (Z)-GLVs and (E)-GLVs, isomers where the main chemical groups lie on different sides of a double bond. Andrew Moseman, Discover Magazine, 26 Aug. 2010 In 2008, researchers from Georgetown University, in Washington, D.C., taught caterpillars of the tobacco hornworm moth to dislike—and avoid—a particular scent. Liz Langley, National Geographic, 11 Aug. 2020

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'tobacco hornworm.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

Word History

First Known Use

circa 1909, in the meaning defined above

Time Traveler
The first known use of tobacco hornworm was circa 1909

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Cite this Entry

“Tobacco hornworm.” Dictionary, Merriam-Webster, Accessed 2 Oct. 2023.

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