Additions to the fauna of casebearer moths (Lepidoptera, Coleophoridae) of Omsk Region, Russia. Results of expeditions in 2021 - 2023 Author Anikin, Vasily V. 0000-0001-8575-5418 Saratov State University, 83 Astrakhanskaya Street, Saratov, 410012, Russia. E-mail: anikinvasiliiv @ mail. ru, https: // orcid. org / 0000 - 0001 - 8575 - 5418 Author Knyazev, Svyatoslav A. 0000-0002-3887-0971 Altai State University, 61 Lenina St, Barnaul, 656049, Russia. E-mail: konungomsk @ yandex. ru, https: // orcid. org / 0000 - 0002 - 3887 - 0971 text Ecologica Montenegrina 2024 2024-07-03 75 89 97 http://dx.doi.org/10.37828/em.2024.75.8 journal article 10.37828/em.2024.75.8 2336-9744 13248391 40. Ecebalia vestianella (Linnaenus, 1758) Material examined . 1♂ , 1.08.2021 , Gorsky Ravine (SK); 3♂ , 3♀ , 6- 7.08.2021 , Berezovka (SK); 1♂ , 17- 18.08.2021 , Kamyshino (SK et SS); 1♂ , 1♀ , 30- 31.07.2021 , Yuryevo (SK); 1♂ , 2.07.2023 , Victory Park (SK et SS); 1♂ , 23.07.2023 , Bol`shaya Bitcha (SK et SS). This species was previously reported from Omsk Region ( Anikin and Knyazev 2012 ; 2016 ; 2021 ).