Fungus Gnat

Natural Habitat

Found in moist environments such as houseplant soil, greenhouses, and decaying organic matter.

Diet & Feeding

Larvae feed on fungi, algae, and organic matter in soil; adults do not feed or consume liquid sources only.

Behavior Patterns

Adults are weak fliers and often seen running across plant soil or flying near lights. They have a short lifespan of about one week.

Risks & Benefits

Generally harmless to humans but larvae can damage plant roots in large numbers; also considered a nuisance pest in homes.

Identified on: 5/21/2026