A contribution to the genus Romattalus Tshernyshev, 2021 (Coleoptera, Malachiidae) Author Tong, Junbo 0000-0002-0116-0204 The Key Laboratory of Zoological Systematics and Application, School of Life Science, Institute of Life Science and Green Development, Hebei University, Baoding, 071002, China. & 2992738731 @ qq. com; https: // orcid. org / 0000 - 0002 - 0116 - 0204 2992738731@qq.com Author Tshernyshev, Sergei E. Institute of Systematics and Ecology of Animals, Siberian Branch of the Russian Academy of Sciences, Frunze Street 11, Novosibirsk, 630091, Russia. Tomsk State University, Lenina prospekt 36, Tomsk, 634050, Russia. Author Liu, Haoyu 0000-0003-1383-5560 The Key Laboratory of Zoological Systematics and Application, School of Life Science, Institute of Life Science and Green Development, Hebei University, Baoding, 071002, China. & liuhy @ hbu. edu. cn; https: // orcid. org / 0000 - 0003 - 1383 - 5560 liuhy@hbu.edu.cn Author Yang, Yuxia 0000-0002-3118-6659 The Key Laboratory of Zoological Systematics and Application, School of Life Science, Institute of Life Science and Green Development, Hebei University, Baoding, 071002, China. & yxyang @ hbu. edu. cn; https: // orcid. org / 0000 - 0002 - 3118 - 6659 yxyang@hbu.edu.cn text Zootaxa 2022 2022-12-23 5222 6 585 590 journal article 216051 10.11646/zootaxa.5222.6.5 0e85d594-1d5f-4853-a43e-b9b7b870bbfe 1175-5326 7477429 42272B76-5C79-4361-807F-B95AE4D2E619 Key to the species of the genus Romattalus Tshernyshev, 2021 (males only) 1. Pronotum with yellow hairs on lateral sides; aedeagus approximately parallel sided for basal 2/ 3 in ventral view, then slightly narrowing to blunt apex................................................. R. flavojubatus Tong & Yang , sp. nov. - Pronotum with brown and yellow hairs on lateral sides; aedeagus approximately parallel sided for basal 1/ 2 in ventral view, then distinctly swollen, widest at basal 3/4.............................................. R. dudkoi Tshernyshev, 2021