Original and used names: Allodia (Brachycampta) adunca Zaitzev, 1992:9.
Swedish sources: Allodia (Brachycampta) adunca: Kjærandsen et al. 2007:55 [Boreal — •LU•].
World distribution: Holarctic; in Europe known from Russia N (Karelia), Finland and Sweden only. A little known species, seemingly with a disjunct distribution in northern parts of the Nordic region and Alaska.