Bug Identifier
Fungus Gnat
Community identification

Fungus Gnat

Bradysia spp.

Order & Family
Diptera: Sciaridae
Size
2 mm to 8 mm (1/16 to 1/8 inch)
See this bug in the Encyclopedia

Natural Habitat

Moist environments with rich organic matter, common in indoor houseplants and greenhouses.

Diet & Feeding

Larvae eat fungi, algae, and decaying organic matter in soil; adults do not feed or consume liquid nectar.

Behavior Patterns

Attracted to light and moisture; they have a short lifespan and are often seen flying weakly around the soil surface of plants.

Risks & Benefits

Harmless to humans as they do not bite; however, high larval populations can damage plant roots. They serve as a food source for other beneficial insects.