Macropsis

Li, Hu, Tishechkin, Dmitri Yu., Dai, Ren-Huai & Li, Zi-Zhong, 2014, Taxonomic study of Chinese species of the genus Macropsis Lewis, 1836 (Hemiptera: Cicadellidae: Macropsinae) III: a review of oak-dwelling species, Zootaxa 3760 (3), pp. 351-368 : 352

Key to species of oak-dwelling Macropsis in China

1. Body colour bright-green or yellowish-green (Figs. 3–4, 22)......................... M. jozankeana ( Matsumura, 1912)

– Body colour yellowish brown to brown without green tinge................................................... 2

2. Posterior margin of male pygofer process serrated at middle.................................................... 3

– Posterior margin of male pygofer process smooth, not serrated at middle......................................... 4

3. Male pygofer process with 8–10 regular denticles posteriorly and abruptly narrowing beaklike tip (Fig. 109).............................................................................. M. meifengensis Huang & Viraktamath, 1993

– Male pygofer process with 2–5 irregular denticles posteriorly and wider tip (Figs. 70–77)..... M. irenae Viraktamath, 1981

4. Male pygofer process long, distinctly extended beyond dorsal margin of pygofer side................................ 5

– Male pygofer process of moderately long, not extended beyond dorsal margin of pygofer side........................ 6

5. Male pygofer process slightly sinuated, and directly pointed caudodorsally (Figs. 99–100)............................................................................................... M. longiprocessa Li & Tishechkin sp. nov.

– Male pygofer process strongly sinuated, and with apex twisted caudally (Fig. 118).......... M. rubrosternalis Kuoh, 1992

6. Male pygofer process short, reaching middle of dorsal margin of pygofer, widened and abruptly narrowed in distal half (Figs. 89–90).............................................................. M. latiprocessa Li & Tishechkin sp. nov.

– Male pygofer process longer, surpassing middle of dorsal margin of pygofer, subapex slightly expanded then gradually nar- rowed to apex....................................................................................... 7

7. Male pygofer process parallel-sided, not expanded in distal half in lateral view (Figs. 51–56); aedeagal shaft upturned dorsally in distal 1/3, with rounded apex (Figs. 61–64)............................... M. huangbana Li & Tishechkin sp. nov.

– Male pygofer process distinctly expanded in distal half in lateral view; aedeagal shaft upturned dorsally in distal 2/3 or 1/2, with relatively sharpened apex.......................................................................... 8

8. Apex of male pygofer process relatively broad and bent antedorsally (Fig. 32); aedeagal shaft gradually upturned dorsally in distal 1/2 (Fig. 34).......................................................... M. hainanensis Li, Dai & Li, 2012

– Apex of male pygofer process relatively slender and bent caudodorsally (Fig. 37); aedeagal shaft abruptly upturned dorsally in distal 2/3 (Fig. 39)............................................................ M. matsumurana ( China, 1925)