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
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Common causes include overwatering, pests like leafminers or spider mites, fungal issues, or frost damage, which is often noticed in early spring. The Spruce, 8 Sep. 2026 Miniature roses are highly susceptible to spider mites and need intense sunlight and precise airflow to avoid mildew. Clarence Schmidt, San Diego Union-Tribune, 7 Sep. 2026 Aphids and spider mites are particularly fond of strawberry plants and can weaken crops over time if they’re not managed correctly. Lauren Landers, Better Homes & Gardens, 3 Sep. 2026 Cucumbers turn bitter, tomato flowers shrivel, leaves wilt, and pests such as whiteflies and spider mites run rampant across the fields. Taylor Luck, Christian Science Monitor, 17 Aug. 2026 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 16 Sep. 2026.

Kids Definition

spider mite

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

called also red spider

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