Fungus Gnat
Scientific Name: Family Sciaridae
Order & Family: Order: Diptera; Family: Sciaridae
Size: 1 to 7 millimeters (about 1/16 to 1/8 inch)

Natural Habitat
Damp environments rich in decaying organic matter, such as houseplants, greenhouses, and moist soil.
Diet & Feeding
Larvae feed on soil fungi, algae, and decaying plant material; adults do not feed or consume only liquids like nectar.
Behavior Patterns
Weak fliers that often stay near the soil surface. They have a short lifespan of about one week but reproduce rapidly in moist conditions.
Risks & Benefits
Generally harmless to humans but can be a nuisance. Larvae may damage plant roots in heavy infestations; benefits include aiding in the decomposition of organic matter.
Identified on: 12/31/2025