Fungus Gnats


This is a narrow, black fly with large wings (2.5 mm long) and long antennae. The larvae are almost transparent with a black head (6 mm long). Characterized by Y-shaped venation on transparent wings.

Damage They Cause:

-larvae feed on the young roots causing plant stunting and wilt

-larvae can spread mites, nematodes, and fungi

-Fungus Gnat adults can encourage pathogens such as; Pythium, Botrytis, Fusarium, Verticillium

Beneficial Insects for Control

Strateolaelaps scimitis (Mesostigmata: Laelapidae) -generalist predatory mite

Gaeolaelaps gillespiei (Mesostigmata: Laelapidae) -generalist predatory mite Dalotia (Atheta) coriaria (Coleoptera: Staphylinidae) -generalist predatory beetle