Maculergithus, a new subgenus in Gergithus Schumacher, 1915 with two new species from northern Vietnam (Hemiptera: Fulgoromorpha: Issidae) Author Constant, Jérôme 6E6072A1-9415-4C8D-8E60-2504444DB290 Royal Belgian Institute of Natural Sciences, O. D. Phylogeny and Taxonomy, Entomology, Vautier street 29, B- 1000 Brussels, Belgium. & urn: lsid: zoobank. org: author: 6 E 6072 A 1 - 9415 - 4 C 8 D- 8 E 60 - 2504444 DB 290 & Corresponding author: jerome. constant @ naturalsciences. be jerome.constant@naturalsciences.be Author Pham, Hong-Thai E34CB863-7E3B-4E8F-8738-B41C07D9F5F9 Vietnam National Museum of Nature, Vietnam Academy of Science and Technology, 18 Hoang Quoc Viet Street, Hanoi, Vietnam. & Email: phamthai @ vnmn. vast. vn & urn: lsid: zoobank. org: author: E 34 CB 863 - 7 E 3 B- 4 E 8 F- 8738 - B 41 C 07 D 9 F 5 F 9 phamthai@vnmn.vast.vn text European Journal of Taxonomy 2016 2016-05-19 198 1 16 journal article 21959 10.5852/ejt.2016.198 66bc6169-67f1-46ca-ba7d-08326ec09cf3 2118-9773 3838140 Gergithus (Maculergithus) sp. Figs 1 , 2 I–J Gergithus multipunctatus – Chen et al. 2014 (erroneously identified as G. multipunctatus Che, Zhang & Wang, 2007 ): 50 [keyed], 55 [described], 56 [habitus, details and male genitalia illustrated], 190 [material examined – see note infra] — Guo & Chen 2015 (erroneously identified as G. multipunctatus Che, Zhang & Wang, 2007 ): 430 [material examined], 431 [colour and ratios], 432–433 [male genitalia], figs 9–10, 17, 23, 29, 35 [habitus, frons and male genitalia illustrated]. Diagnostic characters The species can be recognized on the following combination of characters: (1) frons without yellow spot along dorsal margin; (2) vertex yellow; (3) 3 yellow spots on tegmina along sutural margin; (4) tegmina with 10 yellow spots in total. Distribution Known from China , Hainan , Wuzhishan ( Meng & Wang 2012 ) (see map Fig. 1 ).