There have been published numerous ap- proaches to the D. affinis complex treatment over the years, with changing classifications of species, subspecies, varieties and "morphotypes" (Pigott 1997; Whild, Lockton 1999). The newest description of the D. nis group is pre sented by Fraser-Jenkins (2007)In Central Europe, three taxa differing in the ploidy level and history are currently recognized (Fraser-Jenkins 2007: Ekrt et al. 2009). Dip oid 2n 82 D. affinis Fraser-Jenk. s s. is restricted to the western and southern parts of Central Europe