A review of species of the genus Brachyopa (Diptera, Syrphidae) from Russia with description of new species from Tarkistan [Russian]

摘要

Two new species of the genus Brachyopa Meigen from Tajikistan are described. B. paradoxa sp. n. differs distinctly from the other species of the genus in the structure of the third antennal segment, which is not oval, but cylindrical and elongated one. B. stackelbergi sp. n. is close to B. insensilis Collin but its proepimeron having a clear bun of hairs, which is not bare. Its genitalia have different structure. A list of species of this genus distributed over territory of Russia is provided.