Two genera and two species of the family Erebidae, which is the largest family in Noctuoidea after recently redefined, are newly recorded in Korea: Luceria striata Galsworthy and Metachrostis sinevi Matov et Kononenko. In addition, supplementary collecting data are provided for the two species of Erebidae, Lophomilia nekrasovi Kononenko et Behounek and Acontia martjanovi (Tschetverikov), whose Korean distribution has been briefly reported. The female genitalia of Luceria striata are described for the first time. Photos of imagines and genitalia, where available, are provided. All the examined specimens are deposited in the Department of Plant Medicine, Chungbuk National University in Cheongju, Korea.