The genus Tetramoera Diakonoff (Tortricidae: Olethreutinae) is small group, including 6 species worldwide (Brown, 2005). Among them, 4 species, T. flavescens Kuznetsov, T. isogramma Meyrick, T. paragramma Meyrick, and T. schistaceana Snellen, have been described from the Oriental region in the early 20th century. And the other two species, T. gracilistira Turner, and T. leptalea Diakonoff were reported from Australia and South Africa respectively. During the course of the study on North Korean Tortiricidae based on the material deposited in the Hungarian Natural History Museum, Budapest, Hungary, one species of the genus Tetramoera Diakonoff was found. In the present study, the genus Tetramoera Diakonoff, is reported for the first time from the Korean Peninsula. Also a new species, Tetramoera bongwaensis sp. nov., is described as new to science. Photographs of the adults and male genitalia are presented.