Genus Chlaenius Bonelli, 1810 of the tribe Chlaeniini is a cosmopolitan group distributed in all zoogeographical region. General characteristics of Chlaenius are with pubescent or metallic luster on the pronotum and elytra, and antennal second segment shorter than third segment. Members of subgenus Ocybatus are similar to those of subgenera Lissauchenius and Chlaenioctenus in having a round yellow spot on each elytron, but it showed difference from them having apical segment of labial palpi strongly securiform. Subgenus Ocybatus Laferté-Sénectere, 1851 belonging to the genus Chlaenius were reported three species from Paleoarctic region: Chlaenius (Ocybatus) junceus Andrewes, 1923, Chlaenius (Ocybatus) spathulifer Bates, 1873, Chlaenius (Ocybatus) bioculatus Chaudoir, 1856, among them Chlaenius (Ocybatus) bioculatus Chaudoir, 1856 has been recorded in Korea. In here Chlaenius (Ocybatus) spathulifer Bates reported firstly from Korea. Description and photo of adult are provided.