D. blufusata (Fjellberg, 1978)
– Isotoma blufusata Fjellberg, 1978: 97
AK Fjellberg 1978, 1979; MacLean et al. 1978; Christiansen & Bellinger 1980, 1998; Danks 1981; Skidmore 1995; Potapov 2001; Babenko & Fjellberg 2006
NT Rusek 1994; Potapov 2001 MB Fjellberg 1978; Aitchison 1979, 1984, 1984a, 1984c; Christiansen & Bellinger 1980, 1998; Skidmore 1995; Potapov 2001; Lindo 2014 General distribution: Holarctic.