Key to European species of the genus Oxyna Robineau-Desvoidy, 1830 (Diptera: Tephritidae), with new records from Russia

An interactive pictorial key to species of the genus Oxyna is provided. New material from European Russia (Volga basin) is listed, including some previously poorly known species. Oxyna variabilis Chen, 1938 is recorded from Europe for the first time. Morphological characters of all the species are illustrated.