Three species of true bugs (Heteroptera), Blepharidopterus angulatus, Phytocoris nowickyi and Scolopostethus thomsoni, new for the Krasnoyarsk Territory, were found in the Western Sayan Mountains. Two species, Drymus sylvaticus and Odontoscelis fuliginosa, are recorded in the Tyva Republic for the first time; this is the first finding of the genus Drymus in the region.