Fifteen species of Dolichomitus are recorded from the Ukrainian Carpathians. All the recorded species are new for the studied region and four species, D. aciculatus (Hellén), D. excavatus Zwakhals, D. messor (Gravenhorst) and D. terebrans (Ratzeburg), are new for Ukraine. One new species, Dolichomitus sirenkoi spec. nov., is described and illustrated. A key to the imperator-species group of Dolichomitus is given.