Original and used names: Sciophila fuscata Winnertz, 1864:723.
Swedish sources: Mycomya (Mycomya) fuscata: Väisänen 1984:63 [TO]; Chandler (2005) [Sweden]; Mycomya (Mycomya) fuscata: Kjærandsen et al. 2007:28 [Boreal–alpine — •TO•].
World distribution: Holarctic; in Europe showing a conspicuous longitudinal, possibly alpine–boreal–mountainous distribution: Great Britain (Scotland), Sweden, Finland (Polevoi et al. 2006), Russia N, Germany, Switzerland, Austria and Italy. Not known from the eastern Palaearctic Region.