Bug Identifier
Drain Fly Larva
Community identification

Drain Fly Larva

Psychodidae family

Order & Family
Order: Diptera, Family: Psychodidae
Size
3mm to 10mm in length
See this bug in the Encyclopedia

Natural Habitat

Damp, organic-rich environments such as sink drains, sewage pipes, septic tanks, and wet compost.

Diet & Feeding

Decomposing organic matter, biofilm, algae, and bacteria found in stagnant water or drains.

Behavior Patterns

The larvae live within the gelatinous film layer of drains; they are remarkably resilient to soap and hot water. They pupate within 9 to 15 days.

Risks & Benefits

They do not bite or transmit diseases to humans but are considered a nuisance pest and a sign of organic buildup in plumbing. They help break down organic matter in sewage systems.