The genus Cephimallota Bruand, 1851 is reported for the first time in Korea, with one species Cephimallota chasanica Zagulajev, 1965. Adult and genitalia of male are described, with illustrations.

The genus Cephimallota Bruand, 1851 belongs to the subfamily Myrmecozelinae, comprises 11 described species with a Palaearctic distribution. Adult are usually small to large in size (wingspan, 10-30 mm). In this study, we dealt with the genus Cephimallota is newly recorded from Korea for the first time, with one species. Adult and genitalia of male is described, with illustrations.