Mycetophagidae or The hairy fungus beetles is a family of beetles, in the large suborder Polyphaga. The different species are between 1.0 - 6.5 mm in length. The larvae and adults live in decaying leaf litter, fungi and under bark. Most species feed on fungi (hence the name). Worldwide, there are about 18 genera which 200 species.
Known Species per The California Beetle Database .
Berginus pumilus
Litargus balteatus
Mycetophagus californicus
Mycetophagus pluriguttatus
Mycetophagus punctatus
Typhaea stercorea