Additions to the fauna of casebearer moths (Lepidoptera, Coleophoridae) of Omsk Region, Russia. Results of expeditions in 2021-2023

The data on the casebearer moth family Coleophoridae from Omsk Region was summarized based on materials collected by the second author in 2021-2023. A list of 53 species is given. 25 species are new to the territory of Omsk Region. Six species are new to Asian part of Russia, among them Orthographis impalella (Toll, 1961), Orthographis uralensis (Toll, 1961), Multicoloria spumosella (Staudinger, 1859), Casignetella helgada (Anikin, 2005), Casignetella riffelensis (Rebel, 1913) and Goniodoma auroguttella (Fischer von Röslerstamm, 1841). Multicoloria perissa (Reznik, 1975) is reported for the fauna of Russia for the first time. The total number of Coleophoridae from Omsk Region is increased to 80 species.