Taxonomic study on the planthopper genus Macrocixius Matsumura (Hemiptera: Fulgoromorpha: Cixiidae) with descriptions of two new species from China Author Zhang, Pei Author Chen, Xiang-Sheng text Zootaxa 2013 3646 3 277 288 journal article 10.11646/zootaxa.3646.3.6 4ea1eab7-29ed-4188-9838-66eeb0ca40df 1175-5326 216899 F9C639B9-2A2B-4C95-B952-C1F9DADAA556 Key to species of the genus Macrocixius Matsumura 1. Flagellum of aedeagus with one spine ( Fig. 50 )............................................. M. unispinus . sp. nov. - Flagellum of aedeagus with more than one spine............................................................. 2 2. Flagellum of aedeagus with three spines ( Fig. 24 ).................................................... M. grossus - Flagellum of aedeagus with two spines ( Figs 11 , 37 ).......................................................... 3 3. Forewing with numerous dark markings ( Figs 3 , 53, 57 ); the shortest spine on right side of aedeagus awl-shaped ( Fig. 10 )............................................................................................. M. giganteus - Forewing with fewer dark markings ( Figs 29 , 55, 59 ); the shortest spine on right side of aedeagus generally straight, with base inflated and the rest distally tapering ( Fig. 36 )........................................... M. rarimaculatus sp. nov.