Fungus Gnat (likely)
Scientific Name: Sciaridae or Mycetophilidae (familial group, specific genus/species difficult to determine from image)
Order & Family: Order: Diptera, Families: Sciaridae (dark-winged fungus gnats) or Mycetophilidae (true fungus gnats)
Size: Typically 2-5 mm in length
Natural Habitat
Damp, organic-rich environments, often associated with potted plants, decaying organic matter, compost, and moist soil. Adults are attracted to light.
Diet & Feeding
Larvae feed on fungi, decaying organic matter, and plant roots. Adults generally do not feed or feed on liquids such as nectar.
Behavior Patterns
Adults are weak flyers and tend to hover over infested areas. Larvae live in the soil. They are often found indoors when houseplants are overwatered. They have a short lifespan, typically a week.
Risks & Benefits
Risks: Larvae can damage plant roots, especially seedlings and young plants, in large infestations. They can be a nuisance indoors. Benefits: Adults are minor pollinators; larvae contribute to decomposition in ecosystems.
Identified on: 11/5/2025