Coloana

Yang, Meixia, Cao, Yanghui & Zhang, Yalin, 2014, Review of the leafhopper genus Coloana Dworakowska (Hemiptera: Cicadellidae: Typhlocybinae: Erythroneurini), Zootaxa 3802 (3), pp. 346-358 : 347

Key to adult males of Coloana

1. Aedeagal apical unpaired process shorter than 1/5 length of shaft (Figs 2j, 3i, j).................................... 2

- Aedeagal apical unpaired process longer than 1/5 length of shaft ( Figs 4 e, 5f, 6j, 7h, 8m)............................. 4

2. Aedeagal shaft with tiny extension apically besides the unpaired process....................... C. cinerea Dworakowska

- Aedeagal shaft without apical extension (Figs 2j, 3i, j)........................................................ 3

3. Pygofer dorsal appendage curved ventrad, preatrium shorter than half length of dorsal apodeme (Figs 2d, j)............................................................................................... C. arcuata Dworakowska

- Pygofer dorsal appendage curved ventrad basally and slightly curved dorsad apically, preatrium longer than half length of dor- sal apodeme (Figs 3b, i).................................................. C. accrescens Cao & Zhang sp. nov.

4. Aedeagal shaft sinuated, slightly curved caudad apically (Fig. 8m)............................................... 5

- Aedeagal shaft arcuate ( Figs 4 e, 5f, 6j, 7h).................................................................. 6

5. Pygofer dorsal appendage sickle-shaped...................................................... C. bischofiae Sohi

- Pygofer dorsal appendage absent or fused with pygofer side (Figs 8b, c)............... C. sinuata Cao & Zhang sp. nov.

6. Aedeagal dorsal apodeme rudimentary (Fig. 7h).................................... C. recta Cao & Zhang sp. nov.

- Aedeagal dorsal apodeme well or moderately developed ( Figs 4 e, 5f, 6j).......................................... 7

7. Aedeagal shaft with pair of subapical processes laterally (Figs 5e, f).............. C. latiprocessa Yang & Zhang sp. nov.

- Aedeagal shaft without subapical processes laterally ( Figs 4 e, 6h–j).............................................. 8

8. Aedeagal shaft almost equal in thickness, dorsal apodeme as long as preatrium ( Fig. 4 e)................................................................................................... C. hainanensis Yang & Zhang sp. nov.

- Aedeagal shaft distinctly broadened basally, dorsal apodeme longer than preatrium (Fig. 6j).......................... 9

9. Aedeagal apical process curved cephalad............................................... C. bifurcata Sohi & Mann

- Aedeagal apical process straight (Fig. 6j).................................. C. orthoprocessa Cao & Zhang sp. nov.

Figures

FIGURE 4. Coloana hainanensis Yang & Zhang sp. nov. a. pygofer side, lateral view; b. subgenital plate; c. style, dorsal view; d. connective; e. aedeagus, lateral view; f. abdominal apodemes.