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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
Look for spider mites, aphids, thrips, and other common pests.
—Andy Wilcox, Better Homes & Gardens, 7 Jan. 2025
Indoor humidity levels are low in winter, and a room humidifier can help plants avoid stress while discouraging pests like spider mites.
—Miri Talabac, Baltimore Sun, 2 Jan. 2025
Common insect pests of hollies include holly leaf miner, spider mites, and scale.
—Kim Toscano, Southern Living, 11 Dec. 2024
Common pests include mealybugs, spider mites, and aphids.
—Kim Toscano, Southern Living, 26 Oct. 2024
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Word History
First Known Use
1870, in the meaning defined above
Dictionary Entries Near spider mite
Cite this Entry
“Spider mite.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/spider%20mite. Accessed 18 Jan. 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
Britannica.com: Encyclopedia article about spider mite
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