Genus Soronia Erichson, 1843 (Coleoptera, Nitidulidae) are reviewed from Korea. Two species Soronia fracta Reitter,1884 and Soronia grisea (Linnaeus, 1758) are previously known from Korea, one species Soronia lewisi Reitter, 1884is first recorded from Korea. A key to species from Korea, comments on external and genital structures, biology, illustrationsof structures, including the genitalia of both male and female of the Korean Soronia species are provided.

The Silphidae Latreille, 1806 was reviewed as 26 species of 9 genera from Korea. In this study, we report a new subspecies, Silpha perforata jejuensis ssp. nov, from Is. Jeju and taxonomic revision of the family Silphidae in Korean Peninsula. We provide descriptions, Photograph of morphological and genital structures and a key of Korean species.