Fungus Gnat (likely)
Scientific Name: Sciaridae (most common), Mycetophilidae
Order & Family: Order: Diptera, Family: Sciaridae or Mycetophilidae
Size: 2-8 mm (adults)

Natural Habitat
Damp, decaying organic matter, moist soil, greenhouses, potted plants, compost piles. Often found indoors near houseplants.
Diet & Feeding
Adult fungus gnats typically do not feed or feed on liquids. Larvae feed on fungi, decaying organic matter, and plant roots.
Behavior Patterns
Adults are weak flyers and tend to stay close to where they emerged. They are attracted to light and moisture. Larvae live in the soil/substrate.
Risks & Benefits
Risks: Larvae can damage plant roots, especially seedlings and young plants, leading to wilting and poor growth. They are generally considered a nuisance pest indoors. Benefits: Adult gnats can be a food source for other insects and spiders. Larvae can assist in breaking down organic matter in some ecosystems.
Identified on: 10/25/2025