Three new taxa of longhorn beetles (Coleoptera: Cerambycidae) are described from Marivan and Sarvabad counties in the western Kurdistan Province of Iran: Purpuricenus interscapillatus marivanensis ssp. n. which is closely related to the nominative subspecies and it is compared with Purpuricenus sasanus Kadlec, 2006, stat. rest.; Dorcadion (Cribridorcadion) sarvabadensis sp. n. which is closely related to Dorcadion janatai Kadlec, 2006 and it is compared with Dorcadion infernale Mulsant & Rey, 1863; and Dorcadion (C.) eustriolatum sp. n. which is closely related to Dorcadion holosericeum Krynicki, 1832 and to Dorcadion striolatum Kraatz, 1873. Distinguishing morphological characters are discussed and supplied with figures of the type specimen
