A total of 54 species of Mycetophilidae are recorded for the first time in Morocco, of which 38 species are new to North Africa. A first checklist of Moroccan Mycetophilidae is appended, containing 64 species in 25 genera.
Keywords: Mycetophilidae; Beni Snassen; Middle Atlas; North Africa; Rif; checklist; fungus gnats.
Ouarda Banamar, Peter J. Chandler, Ouafaa Driauach, Boutaïna Belqat.