How to Use fungus gnat in a Sentence

fungus gnat

noun
  • The life cycle of the fungus gnat is 18 days from egg to egg.
    — oregonlive, 18 Dec. 2022
  • Three of the most common types of gnats found in homes are fungus gnats, fruit flies and drain flies.
    — Amanda Garrity, Good Housekeeping, 12 Mar. 2023
  • Top the potting soil with small pebbles for a finished look and to keep away fungus gnats.
    — Nan Sterman, San Diego Union-Tribune, 7 June 2025
  • At one point there was a fungus gnat corpse in every single one of their sticky little mouths.
    — Jessica Roy, Los Angeles Times, 14 July 2021
  • Some pests, such as spider mites and fungus gnats, can flare up during the colder months.
    — Megan Hughes, Better Homes & Gardens, 30 Dec. 2025
  • Most fungus gnats live and feed on mushrooms, and some of them build sticky webs to trap edible spores.
    — Ed Yong, The Atlantic, 6 Oct. 2017
  • This includes root mealybugs, soil mites, root aphids, and fungus gnats, among other pests.
    — Lee Wallender, The Spruce, 29 Jan. 2026
  • Place yellow sticky traps to help with the fungus gnats, thrips, and other pests that tend to plague indoor plants.
    — Andy Wilcox, Better Homes & Gardens, 16 Sep. 2024
  • If the soil is overwatered and roots are rotted, this can invite fungus gnats.
    — Medgina Saint-Elien, House Beautiful, 27 July 2023
  • 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
  • The second bug, a fungus gnat, survives the winter by allowing half of its body to freeze.
    — Ned Rozell, Anchorage Daily News, 19 Feb. 2022
  • Common pests on indoor plants include fungus gnats, thrips, and whiteflies.
    — Andy Wilcox, Better Homes & Gardens, 15 Feb. 2025
  • Those tiny bugs swarming around your face in summer may be fungus gnats, black gnats, or midges, though there are thousands of species of tiny flies.
    — Cathy Nelson, Health, 21 July 2025
  • Watering houseplants with rice water can cause problems with mold, ants, and fungus gnats.
    — Brandee Gruener, Southern Living, 2 Feb. 2026
  • Watering houseplants with rice water can cause problems with mold, ants, and fungus gnats.
    — Brandee Gruener, Southern Living, 30 June 2026
  • To control fungus gnats, always let the soil dry before watering.
    — Megan Hughes, Better Homes & Gardens, 30 Dec. 2025
  • Container and houseplants Avoid fungus gnats by adding a layer of small gravel over the soil surface.
    — Nan Sterman, San Diego Union-Tribune, 1 July 2023
  • Consistent moisture can also attract pests like fungus gnats and spider mites, which can quickly kill a plant.
    — Cori Sears, The Spruce, 27 Apr. 2026
  • Conversely, keeping mums soggy is a sure recipe for root rot, fungus gnats, and other issues that spell doom for an indoor mum.
    — Andy Wilcox, Better Homes & Gardens, 25 Oct. 2024
  • Its pungent aroma and sulfur compounds can deter common garden pests, such as sap-sucking aphids and fungus gnats.
    — Madeline Buiano, Martha Stewart, 29 May 2026
  • Avoid overwatering houseplants to avoid moist conditions where fungus gnats thrive.
    — Arricca Elin Sansone, Southern Living, 28 Apr. 2026
  • This can be especially effective for dealing with fungus gnats.
    — Lauren Landers, Better Homes & Gardens, 28 Dec. 2024
  • Mosquito Bits granules also kill fungus gnats.
    — Nan Sterman, San Diego Union-Tribune, 6 Sep. 2025
  • Watering daily or letting plants sit in water leads to root rot, yellowing leaves, or pests like a fungus gnat invasion.
    — Mary Marlowe Leverette, Southern Living, 9 Oct. 2025
  • Control pesky little black fungus gnats, which are attracted to the wet, decaying organic matter in the potting soil.
    — Nan Sterman, San Diego Union-Tribune, 2 Dec. 2023
  • Control pesky little black fungus gnats, which are attracted to the wet, decaying organic matter in the potting soil.
    — Nan Sterman, San Diego Union-Tribune, 6 Dec. 2025
  • Two rare fungus gnats were found in Scotland, and two monarch-butterfly activists were murdered in Mexico.
    — Rafil Kroll-Zaidi, Harper's Magazine, 27 Apr. 2020
  • Although tiny fungus gnat adults are more of a nuisance than a pest, the immature stage (larvae) feeds on plant roots and can cause growth problems, especially on young plants.
    — Rita Pelczar, Better Homes & Gardens, 1 Dec. 2021
  • Mosquito bits are little pellets that contain a bacteria that’s toxic to fungus gnat and mosquito larvae.
    — Jessica Roy, Los Angeles Times, 14 July 2021
  • There are many varieties of fungus gnats, but two common ones are Mycetophilidae and Sciaridae.
    — Cathy Nelson, Health, 21 July 2025

Some of these examples are programmatically compiled from various online sources to illustrate current usage of the word 'fungus gnat.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

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