AbstractBackgroundThe genusTuponiaReuter, 1875 belongs to the subfamilyPhylinaeand comprises 91 species worldwide. Before this study, onlyT.koreanaKim & Jung had been recorded from the Korean Peninsula.New informationTwo species ofTuponiaReuter, 1910 are recognised from the Korean Peninsula including the first record ofT.mongolicaDrapolyuk, 1980.T.koreanaKim & Jung, 2021 is proposed as a junior synonym ofT.chinensisZheng & Li, 1992. The species is identified, based on the dorsal habitus and male and female genitalic structures. A brief discussion of the distribution of KoreanTuponiaspecies also is presented.