In total, three species of the genus Swammerdamia Hubner is recognized from Korea: Swammerdamia caesiella (Hubner, [1796]), S. glaucella Junnilainen, 2001, and S. pyrella (Villers, 1789). Of these, S. pyrella is reported for the first time from Korea. In the present study, we provide a key to the species and photographs of the adults, the wing venation, and the genitalia. (C) 2018 National Science Museum of Korea (NSMK) and Korea National Arboretum (KNA), Publishing Services by Elsevier.