A new species of the genus <i>Cosmetura </i>Yamasaki, 1983 (Orthoptera, Tettigoniidae, Meconematinae) from Korea
<i>Cosmetura jejuensis </i>Storozhenko et Paik, sp.n. is described from Jeju Island, South Korea. It is closely related to <i>C. fenestrata </i>Yamasaki, 1983, but differs from it by the shape of the male epiproct, and by the shape of the female subgenital plate.