The article provides information on five species of clearwing moths from the South of the West Siberian Plain and Southern Kazakhstan. A differential diagnosis of the Bembecia lavrovi Knyazev 2025 stat. resurr. is given and the species is resurrected from synonymy under closely related Bembecia turanica (Ershoff, 1874). The female genitals of both species are depicted. Two species, Bembecia eversmanni O. Gorbunov 2024 and Pyropteron cirgisa (Bartel, 1912), are reported as new to the Asian part of Russia. Bembecia bestianaeli Căpuşe, 1973 is recorded in Western Siberia for the first time. For all mentioned species, images of collected specimens and males' genitals are provided, as well as information about biology and general distribution. The molecular data for all listed species are given.