Japanese species of the genus Clada is revised. Three new species, C_ (C.) daito sp. nov” C. (C.) sakaii sp. nov” and C.(C.) yaku sp. nov., are described from Ryukyu Islands with figures of male genitalia. Key to species including Taiwanese speciesis provided.The genus Clada Pascoe, 1887 belongs to the tribe Hedobiini together with four genera, Hedobia, Neonedobia, Anhedobia, and Ptinomorphus (Zahradnik & Tryzna, 2018). This genus is divided into two subgenera, Clada Pascoe, 1887 and TaiwanocladaSakai,1987，and the former is represented by 61 species distributed in the Palaearctic，Oriental and Afrotropical Regions (Zahradnik & Tryzna, 2018; Vinolas, 2019) and the latter contains only one species from Taiwan (Sakai, 1987). From Japan only one species was known from Okinawa, Ryukyu Islands (Sakai, 1991)，while six species have been recorded from Taiwan (Sakai, 1987; Zahradnik, 2013).
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