A review of the Oriental planthopper genus Sogana Matsumura 1914 (Hemiptera: Fulgoromorpha: Tropiduchidae) with descriptions of three new species Author Liang, Ai-Ping Author Wang, Rong-Rong text Zootaxa 2008 1732 29 44 journal article 10.5281/zenodo.181357 7b6b3cdb-b35e-4c7a-a7a8-8e1925b61fec 1175-5326 181357 Key to the species of genus Sogana 1 Vertex with lateral areas between sublateral and lateral carinae distinctly depressed ( Figs. 1–5 , 7, 10, 13 ).....................................................................................................................................................................2 - Vertex with lateral areas between sublateral and lateral carinae weakly depressed or flat ( Figs. 6 , 16 )....6 2 Fore wings with two middle anteapical cells equally long ( Fig. 19 ; see Melichar, 1914 : 115, Fig. 28 )....3 - Fore wings with two middle anteapical cells not equally long ( Figs. 21, 22 )............................................5 3 Vertex with median carina approaching the level of eyes (see Fennah, 1978 : 262, Fig. 220); fore wings with dark brown nebula apically (see Fennah, 1978 : 262, Fig. 222) ........................... S. longiceps Fennah - Vertex with median carina surpassing the level of eyes ( Fig. 7 ; see Melichar, 1914 : 115, Fig. 28 ); fore wings with brownish nebula apically ( Fig. 22 ; see Melichar, 1914 : 115, Fig. 28 ).....................................4 4 Vertex with anterior margin projected at an obtuse angle in dorsal view, the median spot at apex roundish ( Figs. 7, 8 ); frons with median carina thick and wide ( Fig. 8 ) .......................................... S. clara sp. nov. - Vertex with anterior margin projected, nearly straight in dorsal view, the median spot at apex longish (see Melichar, 1914 : 115; Fig. 28 ); frons with median carina thin and narrow (see Melichar, 1914 : 115; Fig. 28 ) ................................................................................................................................. S. extrema Melichar 5 Vertex with median carina diverging medially; aedeagus with process arising from left side at apical fifth reaching to middle of aedeagus and having a distinct, sub-apical tooth directed dorsally and inwardly; the process arising from right side at apical third directed anterodorsally, with a stout sub-apical tooth directed dorsally and inwardly; endosomal process long and thin ( Figs. 48, 49 ) ....................................................... .......................................................................................................................... S. pseudohopponis sp. nov. - Vertex with median carina diverging basally; aedeagus with process arising from left side at apical fifth reaching approximately to base of aedeagus, and having 3–4 tiny sub-middle teeth directed ventrally and inwardly; the process arising from right side at apical third directed dorsally, with 2–3 fine spines; endosomal process short and thick ( Figs. 46, 47 ) ............................................................... S. hopponis Matsumura 6 Vertex with lateral areas weakly depressed (see Melichar, 1914 ), sublateral carinae strongly curved outwards, almost approaching to lateral margin; fore wings without nebula apically .... S. stimulata Melichar - Vertex with lateral areas flat ( Figs. 6 , 16 ), sublateral carinae nearly straight; fore wings with brownish nebula apically ...................................................................................................... S. robustocarina sp. nov.