The genus Sphaeroderma Baly, comprising over 165 species, is distributed mainly in Palaeotropical superregion and a few species are also known from Neotropical region. Seventy-four species in Palearctic region. In Korea a total of 5 species were known by Lee & An (2001), An (2011). In this paper, we report Sphaeroderma seriatum Baly for the first time in the Korean fauna. We provide the habitus photographs, illustrations of diagnostic features and a key to the genus in Korea. Up to now 6 species of Sphaeroderma have been recorded from the Korea, including the present species.