To the knowledge of the bee genus Colletes Latreille, 1802 (Hymenoptera: Apoidea: Colletidae) of Dagestan, Russia

Twenty two species of the bee genus Colletes Latreille, 1802 are recorded for the Republic of Dagestan of Russia (the North Caucasus). Six species, Colletes asiaticus Kuhlmann, 1999, C. dorsalis Morawitz, 1888, C. edentulus Noskiewicz, 1936, C. hethiticus Warncke, 1978, C. uralensis Noskiewicz, 1936, and C. wollmanni Noskiewicz, 1936 are recorded for the first time for Russia and seven species, C. brevigena Noskiewicz, 1936, C. carinatus Radoszkowski, 1891, C. eous Morice, 1904, C. floralis Eversmann, 1852, C. fodiens (Fourcroy, 1785), C. maidli Noskiewicz, 1936, and C. tuberculatus Morawitz, 1893 are new to Dagestan. The number of Dagestanian Colletes species is supposed to be at least one fourth higher than known so far. Probably several species that are known from neighboring Azerbaijan, Georgia or North Caucasus regions of Russia also occur in Dagestan, such as C. hakkari Kuhlmann, 2002, C. morawitzi Noskiewicz, 1936, C. nasutus Smith, 1853, C. penulatus Noskiewicz, 1936, C. rubellus Noskiewicz, 1936, C. subnitens Noskiewicz, 1936, or C. warnckei Kuhlmann, 2002. The number of Colletes species reported from Russia increases to 51. Additionally, a new lectotype of C. caspicus Morawitz, 1874 is designate