This rarely found species is reported here to occur in Russian Karelia. Previous records of D. mixta are from Sweden (Jaschhof & Jaschhof 2013), Finland (Penttinen & Spungis 2007, Jaschhof & Jaschhof 2013), and Latvia (Spungis 1987).
Material examined. Russia: male, Karelian Republic, Kondopoga, Kivach Strict NR, swampy old-growth taiga, 11 and 15 June 2005, sweepnet, M. Jaschhof (specimen no. A 7776 in SDEI).