Distinguishing the adults and larvae of fungus gnats (family Sciaridae, left), shore flies (Ephydridae), and moth flies (Psychodidae, right), three types of fly pests associated with wet conditions. Credit: C. Feller In Gorham JR. 1991. USDA Tech. Bull. 655 (fungus gnat adult and larva and moth fly adult), other art by J.L. Lockwood In Integrated Pest Management for Floriculture and Nurseries. University of California ANR Publ. 3402.
