spider mite

noun

: any of various small web-spinning mites (family Tetranychidae) that include destructive pests of plants

called also red spider

Examples of spider mite 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.
If your plants are healthy, placing them outdoors puts them at risk for picking up all kinds of pests, including mealybugs, aphids, and spider mites. Arricca Elin Sansone, Southern Living, 31 July 2025 To control aphids and spider mites, spray the plant with a strong blast of water from the hose, or use insecticidal soap. Lauren Landers, Better Homes & Gardens, 27 July 2025 These predatory mites feed on pests including spider mites, thrips and whiteflies. Rita Perwich, San Diego Union-Tribune, 5 July 2025 Aphids, spider mites, and thrips can suck the sap from healthy leaves, leading to a loss of the plant’s nutrients and yellowing leaves. Karen Brewer Grossman, Southern Living, 16 July 2025 See All Example Sentences for spider mite

Word History

First Known Use

1870, in the meaning defined above

Time Traveler
The first known use of spider mite was in 1870

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Cite this Entry

“Spider mite.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/spider%20mite. Accessed 6 Aug. 2025.

Kids Definition

spider mite

noun
: any of various mites that spin webs and include some that attack plants

called also red spider

More from Merriam-Webster on spider mite

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