hornworm
noun
horn·worm
ˈhȯrn-ˌwərm 
: a hawk moth caterpillar having a hornlike tail process compare tomato hornworm
Examples of hornworm in a Sentence
Recent Examples on the Web
Tomato plants attract a long list of pests: hornworms, aphids, stinkbugs, and whiteflies, to name just a few.
—
Brandee Gruener, Southern Living, 11 Apr. 2026
Aphids, whiteflies and hornworms are among the most common pests attracted to tomato plants.
—Lauren Jarvis-Gibson, Miami Herald, 10 Apr. 2026
Aphids, whiteflies and hornworms are among the most common invaders, drawn in by nutrient-rich foliage and strong plant volatiles that attract sap-sucking insects.
—Lauren Jarvis-Gibson, Kansas City Star, 10 Apr. 2026
Lady beetles and green lacewings feed on small hornworms and hornworm eggs.
—Barbara Gillette, The Spruce, 9 Mar. 2026
It is also thought that the pungent aroma of basil leaves may help to deter pests such as whiteflies, aphids, and hornworms.
—Joshua Siskin, Oc Register, 27 Feb. 2026
While some issues don’t require attention, a hornworm needs to be plucked and pronto.
—Andy Wilcox, Better Homes & Gardens, 11 Sep. 2025
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Brandee Gruener, Southern Living, 11 Apr. 2026
Aphids, whiteflies and hornworms are among the most common pests attracted to tomato plants.
—Lauren Jarvis-Gibson, Miami Herald, 10 Apr. 2026
Aphids, whiteflies and hornworms are among the most common invaders, drawn in by nutrient-rich foliage and strong plant volatiles that attract sap-sucking insects.
—Lauren Jarvis-Gibson, Kansas City Star, 10 Apr. 2026
Lady beetles and green lacewings feed on small hornworms and hornworm eggs.
—Barbara Gillette, The Spruce, 9 Mar. 2026
It is also thought that the pungent aroma of basil leaves may help to deter pests such as whiteflies, aphids, and hornworms.
—Joshua Siskin, Oc Register, 27 Feb. 2026
While some issues don’t require attention, a hornworm needs to be plucked and pronto.
—Andy Wilcox, Better Homes & Gardens, 11 Sep. 2025
Cite this Entry
“Hornworm.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/hornworm. Accessed 24 Apr. 2026.
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