Bug Identifier
Fungus Gnat Larva
Community identification

Fungus Gnat Larva

Bradysia spp. (most common genus)

Order & Family
Order: Diptera, Family: Sciaridae
Size
Typically small, reaching about 1/4 inch (6-7 mm) in length when mature.
See this bug in the Encyclopedia

Natural Habitat

Found in damp environments, particularly in the top layer of moist soil in potted plants, greenhouses, and occasionally on damp organic matter.

Diet & Feeding

Feeds primarily on fungi, decaying organic matter, and plant roots within the soil.

Behavior Patterns

The larvae are legless and worm-like with translucent bodies and distinctive black heads. They leave a slime trail similar to snails and are most active in wet soil.

Risks & Benefits

Generally harmless to humans (no biting or stinging). However, they can be pests to houseplants; large infestations can damage delicate root systems, especially in seedlings and young plants.