Mycetophila formosa is a Palearctic species of 'fungus gnat' in the family Mycetophilidae. Mycetophila formosa is found in forest or wooded areas where the larvae develop in Phlebia radiata and moist, strongly decayed wood of birch and spruce log bearing Trechispora hymenocystis. References External links Images representing Mycetophila at BOLD Mycetophilidae