Common Fungus Gnat vs Soldier Fly

Side-by-side species comparison

Attribute Common Fungus Gnat Soldier Fly
Scientific Name Bradysia impatiens Odontomyia tigrina
Order Diptera Diptera
Family Mycetophilidae Stratiomyidae
Size 2-4 mm 8-12 mm
Habitat Underground Ponds & Lakes
Diet Fungus Feeders Pollen Feeders
Regions Cosmopolitan Europe
Conservation Least Concern Least Concern

Common Fungus Gnat

A small, delicate dark fly with long legs and antennae that commonly infests houseplant soil. Adults are weak fliers that hover near potted plants and are attracted to light.

💡

Did You Know?

Fungus gnats are one of the most common houseplant pests worldwide, with larvae damaging roots of seedlings.

Soldier Fly

A brightly colored soldier fly with aquatic larvae that filter-feed in ponds.

💡

Did You Know?

Larvae float at the surface and breathe through a rosette of hydrophobic tail hairs.