Zoosyst. Evol. 94 (2) 2018, 369–391 | DOI 10.3897/zse.94.26895 Taxonomic review of the planthopper genus Orthopagus (Hemiptera, Fulgoromorpha, Dictyopharidae), with descriptions of two new species Zhi-Shun Song1,2, Igor Malenovský3, Jian-Qin Chen1, Jürgen Deckert4, Ai-Ping Liang5,6 1 Jiangsu Key Laboratory of Biofunctional Molecules, School of Life Sciences, Chemistry & Chemical Engineering, Jiangsu Second Normal University, Nanjing 210013, China 2 Southeast Asia Biodiversity Research Institute, Chinese Academy of Sciences, Yezin, Nay Pyi Taw 05282, Myanmar 3 Department of Botany and Zoology, Faculty of Science, Masaryk University, Kotlářská 2, 611 37 Brno, Czech Republic 4 Museum für Naturkunde, Leibniz Institute for Research on Evolution and Biodiversity Science, Invalidenstraße 43, Berlin 10115, Germany 5 Key Laboratory of Zoological Systematics and Evolution, Institute of Zoology, Chinese Academy of Sciences, Beijing 100101, China 6 College of Life Sciences, University of Chinese Academy of Sciences, Beijing 100049, China http://zoobank.org/C354D7DF-198F-4D4F-A2A8-F763FD03018D Corresponding authors: Igor Malenovský (
[email protected]); Ai-Ping Liang (
[email protected]) Abstract Received 25 May 2018 The Oriental and eastern Palaearctic planthopper genus Orthopagus Uhler, 1897 (He- Accepted 16 July 2018 miptera, Fulgoromorpha, Dictyopharidae, Dictyopharinae, Orthopagini) is revised. Six Published 6 August 2018 species are included: O. bartletti Song, Malenovský & Deckert, sp. n. (described from India), O. exoletus (Melichar, 1903), comb. n., stat. rev. (material studied from India and Academic editor: Sri Lanka), O. hainanensis Song, Chen & Liang, sp. n. (described from China: Hainan Martin Husemann island), O. lunulifer Uhler, 1897 (the type species of the genus; confirmed from Japan, China, Vietnam, Laos, India, and Nepal), O.