We report Melita alluaudi Ledoyer, 1982 from Yonaguni Island, Ryukyu Islands, Japan. These specimens represent the first record of this species from not only Japan but also from the Philippine Sea. Herein, we provide a detailed description and the cytochrome c oxidase subunit I (COI) sequences of the Yonaguni Island specimens. A key to the Japanese Melita species is also provided.
Yoshimura et al. (Thu,) studied this question.