Two New Species of the Tribe Helopini (Coleoptera: Tenebrionidae) from Artvin Province, Turkey

Cylindrinotus tchorokhicus sp. nov. and Probaticus (Pelorinus) banaszkiewiczaesp. nov. are described from northeastern Turkey (Artvin Province). The first species is similar to C. constrictus (Seidlitz, 1896), but differs from it by flattened lateral sides of pronotum, strongly thickened outer margins and base of pronotum, more shining body and structure of aedeagus. The new species of Probaticus Vauloger, 1900 is close to P. corrugatus (Seidlitz, 1896), but differs from it by the structure and punctation of pronotum and propleura, structure of elytra and genitalia of male, and pubescence on anal sternite.