fungus gnat
noun
: any of various small dipteran flies (families Mycetophilidae and Sciaridae) resembling mosquitoes and having larvae that feed on fungi and decaying organic matter
Examples of fungus gnat in a Sentence
Recent Examples on the Web
This includes fruit flies, the fungus gnats in our potted plants, and those little gnats that like to get in our eyes and noses.
—
Brandee Gruener, Southern Living, 10 Apr. 2026
Doing this can also kill off any fungus gnats that have made the moist soil their home.
—Bestreviews, Mercury News, 12 Mar. 2026
Although rarely encountered, Aspidistra flowers grow at the base of the plant and are pollinated by fungus gnats, those nuisance insects that inhabit potting soil past its expiration date.
—Joshua Siskin, Oc Register, 21 Feb. 2026
This includes root mealybugs, soil mites, root aphids, and fungus gnats, among other pests.
—Lee Wallender, The Spruce, 29 Jan. 2026
See All Example Sentences for fungus gnat
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.
Brandee Gruener, Southern Living, 10 Apr. 2026
Doing this can also kill off any fungus gnats that have made the moist soil their home.
—Bestreviews, Mercury News, 12 Mar. 2026
Although rarely encountered, Aspidistra flowers grow at the base of the plant and are pollinated by fungus gnats, those nuisance insects that inhabit potting soil past its expiration date.
—Joshua Siskin, Oc Register, 21 Feb. 2026
This includes root mealybugs, soil mites, root aphids, and fungus gnats, among other pests.
—Lee Wallender, The Spruce, 29 Jan. 2026
See All Example Sentences for fungus gnat
Cite this Entry
“Fungus gnat.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/fungus%20gnat. Accessed 21 Apr. 2026.
Copy CitationLove words? Need even more definitions?
Merriam-Webster unabridged
