Revision of the Oriental leafhopper genus Parallygus Melichar (Hemiptera: Cicadellidae: Deltocephalinae) with description of new species Author Dai, Wu Author Zhang, Yalin text Zootaxa 2012 3157 41 53 journal article 45676 10.5281/zenodo.210583 e6ee161c-0e9a-461b-bec9-ef251bf6cd8e 1175-5326 210583 Key to species of Parallygus Melichar 1. Aedeagal shafts with basal and ventral processes ( Figs 4 F, 5F–G)............................................... 2 - Aedeagal shafts without basal and ventral processes ( Figs 3 D–E, 6B–C, 7J–K)..................................... 3 2. Ventral process of aedeagal shaft strongly curved in distal 0.2 ( Fig. 4 F) ( Sri Lanka )............... P. divaricatus Melichar - Ventral process of aedeagal shaft straight ( Fig. 5 F) ( China : Zheijiang, Guangxi, Hunan, Taiwan ; India : Matheran)............................................................................................ P. guttatus Matsumura 3. Aedeagal shafts gradually narrowed to attenuated apex ( Figs 6 C, 7K)............................................ 4 - Aedeagal shafts abruptly narrowed at midlength and with caudally projecting conical process ( Fig. 3 D).................................................................................. P. burmindicus Viraktamath & Webb , sp. nov. 4. Pygofer with membranous rounded dorsally directed lobe ( Fig. 7 D); aedeagal shafts strongly convoluted, each shaft in lateral aspect slender at base then gradually narrowed distally ( Figs 7 J–K) ( India : Himachal Pradesh, Meghalaya, West Bengal).................................................................... P. rameshi Viraktamath & Webb , sp. nov. - Pygofer lacking dorsally directed membranous lobe but with subcaudal and caudal processes in lateral aspect ( Fig. 6 A); aedeagal shaft less strongly convoluted, each shaft stout basally in lateral view, more strongly narrowed in distal 0.33 length ( Figs 6 B–C) ( China : Anhui)..................................................... P. jiuhuaensis Dai & Zhang , sp. nov.