Matsumurina

Cao, Yanghui, Yang, Meixia & Zhang, Yalin, 2013, Synonymy, new species and new combinations in the leafhopper genus Matsumurina Dworakowska (Hemiptera: Cicadellidae: Typhlocybinae: Erythroneurini), Zootaxa 3734 (4), pp. 453-468 : 455

Key to males of the genus Matsumurina

1 Ventral process of aedeagus short, not extended to gonopore ( Figs 3 h, 4 f, 5 h, 6g, 9 i, j)............................... 2

- Ventral process of aedeagus long, extending to or surpassing gonopore (Figs 7g, 8 h, 10 i, 11g)......................... 7

2 Subgenital plate with apical part as long as basal part (divided by constriction) ( Figs 3 f, 4 d).......................... 3

- Subgenital plate with apical part shorter than basal part (divided by constriction) (Figs 5 e, 6 e, 9 b)..................... 4

3 Pygofer dorsal appendage almost straight, not hooked ( Fig. 3 e)...................................................................................................................... Matsumurina kagina (Matsumura, 1932)

- Pygofer dorsal appendage curved laterad ( Figs 4 b, c)............................... M. macra (Kuoh, 1982) n. comb.

4 Aedeagal shaft with paired apical processes asymmetrical.......................................................................................................................... M. jianfenga (Song & Li, 2011) n. comb.

- Aedeagal shaft with paired apical processes symmetrical (Figs 5 j, 6 h, 9 k, l)....................................... 5

5 Subgenital plate extendinged beyond pygofer posteriorly (Fig. 5 b)................. M. abbreviata Cao & Zhang sp. nov.

- Subgenital plate not extended to apex of pygofer (Figs 6 b, 9 b).................................................. 6

6 Pygofer dorsal appendage slender apically, exceeding pygofer side (Figs 6 b, c).......... M. angusta Cao & Zhang sp. nov.

- Pygofer dorsal appendage flabelliform apically, not exceeding pygofer side (Figs 9 b, c, e)................................................................................................... M. longissima Yang & Zhang sp. nov.

7 Aedeagal shaft with paired medial or subapical processes...................................................... 8

- Aedeagal shaft with paired apical processes (Figs 7 j, 8 j, 10 k, 11 i).............................................. 10

8 Aedeagal shaft with paired medial processes extended beyond tip of shaft............................................................................................................. M. media (Dworakowska, 1980) n. comb.

- Aedeagal shaft with paired subapical processes not reaching tip of shaft.......................................... 9

9 Apex of style straight, gonopore subapical............................. M. communis (Dworakowska, 1994) n. comb.

- Apex of style hooked, gonopore apical................................... M. minuta (Dworakowska, 1980) n. comb.

10 Pygofer dorsal appendage bifurcate (Fig. 7 c)..................................... M. furcata Cao & Zhang sp. nov.

- Pygofer dorsal appendage not bifurcate (Figs 8 c, 10 c, 11 b).................................................... 11

11 Apex of style almost straight (Figs 8g, 11 f)................................................................ 12

- Apex of style hooked or sinuate (Figs 10g, h).............................................................. 13

12 Pygofer dorsal appendage serrated apically, aedeagal shaft with apical processes asymmetrical (Figs 11 b, i)..................................................................................... M. serriformis Cao & Zhang sp. nov.

- Pygofer dorsal appendage not serrated, aedeagal shaft with apical processes symmetrical (Figs 8 c, j)............................................................................................... M. longa Cao & Zhang sp. nov.

13 Pygofer dorsal appendage curved ventrad, aedeagal shaft without small protrusion at tip.................................................................................................... M. horna (Song & Li, 2011) n. comb.

- Pygofer dorsal appendage curved dorsad, aedeagal shaft with small protrusion at tip (Figs 10 c, k)..................... 14

14 Aedeagus with paired apical processes bent in lateral view, ventral process tapering towards apex in ventral view (Figs 10 i, j)........................................................................... M. qini Ya ng & Zha ng sp. nov.

- Aedeagus with paired apical processes straight in lateral view, ventral process with parallel sides distally in ventral view... 15

15 Pygofer dorsal appendage slim, surpassing hind margin of pygofer side.................................................................................................. M. magna (Dworakowska & Viraktamath, 1975) n. comb.

- Pygofer dorsal appendage broad basally, not reaching hind margin of pygofer side...................................................................................................... M. similis (Dworakowska, 1979) n. comb.