• Animal Systematics, Evolution and Diversity
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• v.36 no.1
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• pp.91-105
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• 2020

The eight newly recognized species of the genera Delomerista, Iseropus, and Perithous are reported in this study: Delomerista kusuoi Uchida & Momoi, 1957, D. mandibularis(Gravenhorst, 1829), D. pfankuchi Brauns, 1905, Iseropus stercorator stercorator(Fabricius, 1793), Perithous albicinctus(Gravenhorst, 1829), P. septemcinctorius(Thunberg, 1822), P. speculator Haupt, 1954, and P. townesorum (Gupta, 1982). The genus Delomerista Förster, 1869 is a small group that includes 18 species worldwide that, for the first time, has been recorded from South Korea. Iseropus Förster, 1869 is a small group that includes nine species worldwide. The genus Perithous Holmgren, 1859 is also small group including 18 species worldwide. In this study, keys to species of these genera and illustrations and diagnoses of each species are provided.