: any of numerous small homopterous insects (family Aleyrodidae) that are injurious plant pests

Examples of whitefly in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Both mealybugs and whiteflies leave behind honeydew, creating a sticky mess that can lead to sooty mold—a black fungus that lives off the honeydew. Leanne Potts, Better Homes & Gardens, 5 Aug. 2026 Interestingly, the quantum dot functioned as an effective pest repellent against adult sweet potato whiteflies (Bemisia tabaci). Mrigakshi Dixit, Interesting Engineering, 4 Aug. 2026 Aphids, whiteflies, beetles and fleas Woolsey explains that neonicotinoids work by targeting receptors found mostly in insect nervous systems. Nicole Hernandez, USA Today, 1 Aug. 2026 Besides towering over other plants, sunflowers attract whiteflies, ants, and aphids that can spread to pepper and other nearby plants. Karen Brewer Grossman, Southern Living, 28 July 2026 See All Example Sentences for whitefly

Word History

First Known Use

1896, in the meaning defined above

Time Traveler
The first known use of whitefly was in 1896

Browse Nearby Words

Cite this Entry

“Whitefly.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/whitefly. Accessed 14 Aug. 2026.

More from Merriam-Webster on whitefly

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!

More from Merriam-Webster