D. taimyrica (Martynova, 1974)

– Isotoma taimyrica Martynova, 1974: 795

– Isotoma macleani Fjellberg, 1978: 102 AK Fjellberg 1978; Christiansen & Bellinger 1980, 1998; Danks 1981; Skidmore 1995 all as macleani; Potapov 2001;

Babenko & Fjellberg 2006

Remarks: D. macleani was sunk into D. taimyrica by Potapov (2001) after a study of the holotype of the latter species.

General distribution: Nearctic and Eastern Palaearctic.