The second сommunication on the Microlepidoptera fauna of Omsk Region Russia includes information about 115 species. Most part them is new to regional fauna. list 14 species recorded from Asian for first time, among Opostega salaciella (Treitschke, 1833), Myrmecozela ochraceella (Tengström, 1848), Bucculatrix ulmella Zeller, 1848,  Euhyponomeutoides ribesiellus (Joan...