Politodorcadion eurygyne (Suvorov, 1911) and P. e. lailanum ssp. n. (Coleoptera, Cerambycidae) from East Kazakhstan

Politodorcadion eurygyne (Suvorov, 1911) is redescribed, lectotype and paralectotypes are designated. The distinguishing characters of the species from the closest P. politum politum (Dalman, 1823) are described as well as the areas of both taxa and all known localities. P. eurygyne lailanum ssp. n. is described from south slope of Kalbinsky Ridge (East Kazakhstan) on the base of series of 60 specimens designated by Plavilstshikov [1958] as Dorcadion eurygyne ab. oblomovi, unavailable name. The text is supplemented with the color photos of several forms of P. eurygyne eurygyne and P. e. lailanum ssp. n. as well as with a map of localities of all three taxa: P. politum politum, P. eurygyne eurygyne and P. e. lailanum ssp.