Seed beetles of the genus Kytorhinus Fischer de Waldheim, 1809 (Coleoptera: Chrysomelidae: Bruchinae) in the Trans-Volga region and Urals

Information on the species composition, distribution and host plants of seed beetles (Chrysomelidae: Bruchinae) of the genus Kytorhinus Fischer de Waldheim, 1809 in the Trans-Volga region and Urals was summarized for the frst time. Tree species of this genus were recorded in this area. Of these, the East Siberian – Central Asian – Kazakhstani K. thermopsis Motschulsky, 1874, discovered in a number of places in the Steppe Cis-Urals of Orenburg Region of Russia, is frst recorded for the European fauna. In the region it occurs on Pseudosophora alopecuroides (L.) Sweet (Fabaceae) (the trophic association of K. thermopsis with this plant is established for the frst time). Te relict K. pectinicornis Melichar, 1912, which has the widely disjunctive arctic-boreo-montane range, is frst discovered on the eastern macroslope of the Middle Urals in the mountain forest landscapes of Sverdlovsk Region of Russia. Te distribution of the East European-Kazakhstani steppe species K. quadriplagiatus Motschulsky, 1839 in the Trans-Volga region and Urals is described in detail.