TY - GEN A1 - Constant, Jérôme A1 - Pham, Thai Hong T1 - Gergithoides Schumacher, 1915 in Vietnam, with two new species, and taxonomic notes on the genus (Hemiptera: Fulgoromorpha: Issidae) T2 - European journal of taxonomy : 296 N2 - Two new species of the genus Gergithoides Schumacher, 1915 (Issinae, Hemisphaeriini), G. gnezdilovi sp. nov. from Bidoup-Nui Ba National Park in Central Vietnam and G. nui sp. nov. from Pia-Oac National Park in North Vietnam, are described. These are the only species of the genus formally recorded from Vietnam to date. Habitus, details and male genitalia are illustrated and a distribution map is provided. Four females representing three or four additional species, known from females only, are mentioned and illustrated. Taxonomic and biogeographical updates based on a thorough review of the literature are proposed and discussed for G. carinatifrons Schumacher, 1915, G. rugulosus (Melichar, 1906) and G. undulatus Wang & Che, 2003. T3 - European journal of taxonomy : EJT - 296 KW - Global Taxonomic Initiative KW - Annam KW - Tonkin KW - planthopper KW - Fulgoroidea Y1 - 2017 UR - http://publikationen.ub.uni-frankfurt.de/frontdoor/index/index/docId/46145 UR - https://nbn-resolving.org/urn:nbn:de:hebis:30:3-461458 SN - 2118-9773 PB - Muséum National d'Histoire Naturelle CY - Paris ER -