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fungus gnat

American  

noun

  1. any of several mosquitolike insects of the family Mycetophilidae, the larvae of which feed on fungi or decaying vegetation.


Etymology

Origin of fungus gnat

First recorded in 1880–85

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

See Examples For:

The scans revealed three insects: a fungus gnat, a black fly, and an ancient ant.

From Science Daily ● Jun. 4, 2026

The life cycle of the fungus gnat is 18 days from egg to egg.

From Seattle Times ● Jan. 10, 2023

When I have a particularly bad fungus gnat infestation around my plants, I turn to sticky traps to capture the dozens of bugs flying around.

From Salon ● May 9, 2022

I asked Brown, the entomologist, whether I had bred a new and unkillable mutant species of fungus gnat.

From Los Angeles Times ● Jul. 14, 2021

It’s a fungus gnat larva — predatory, and, if the going gets rough, cannabalistic.

From Scientific American ● May 21, 2012

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