The subfamily Yponomeutinae Stephens belongs to the family Yponomeutidae, with over 270 described species in theworld. Among them, about 120 species are distributed in Palearctic Region. In Korea, a total of twenty five species havebeen reported from Korea. First recording of this subfamily species is reported Park (1983), with 6 genera 11 speciesin Illustrated Flora & Fauna of Korea, Vol, 27. Bae & Byun (2003) reported four known species of this group: Yponomeutakanaiella, Y. montanatus, Y. sociatus, and Y. yanagawanus.In the present study, we provided a checklist of the subfamily Yponomeutinae with a newly recorded genus, includingadult and genital photographs in each genus.