Gnat

Scientific Name: Nematocera (suborder)

Order & Family: Order: Diptera; Common families include Sciaridae (Fungus Gnats)

Size: 1 mm to 8 mm in length.

Gnat

Natural Habitat

Moist, damp areas with organic matter; often found in houseplant soil, gardens, and near wetlands.

Diet & Feeding

Larvae typically feed on fungi, algae, and decaying plant matter; adults may feed on liquids like nectar or not feed at all depending on the species.

Behavior Patterns

Attracted to light and moisture; often seen flying in erratic swarms or crawling on the surface of soil. Complete metamorphosis: egg, larva, pupa, and adult.

Risks & Benefits

Generally harmless to humans but can be a persistent nuisance. In large numbers, larvae can damage the root systems of young plants; they benefit ecosystems by aiding in the decomposition of organic matter.

Identified on: 4/14/2026