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By: Fateryga, Alexander - Müller, Andreas - Proshchalykin, M. I︠U︡. (Maksim I︠U︡rʹevich)Type: ArticleIn: Journal of Hymenoptera ResearchVolume: 96Series:Issue:Date: 2023Page Range: 641--656Publication Info: Pensoft Publishers 2023Subjects: bionomics Caucasus megachilid bees osmiine bees Palaearctic region taxonomy