Fungus Gnat Larvae
Scientific Name: Sciaridae
Order & Family: Order: Diptera, Family: Sciaridae
Size: 2 to 8 mm in length
Natural Habitat
Damp soil, decaying organic matter, and wet leaf mulch
Diet & Feeding
Larvae feed on fungi, organic debris, and occasionally plant roots
Behavior Patterns
They often move in long snake-like columns known as larval migrations to seek food or find new locations, typically during high moisture conditions
Risks & Benefits
Generally harmless to humans but can damage plant roots in greenhouses or indoor plants; they benefit ecosystems by breaking down organic matter
Identified on: 4/9/2026