Processina, Yang, Deitz & Li, 2005

He, Hongli, Yang, Maofa & Yu, Xiaofei, 2018, Three new species of the leafhopper genus Processina (Hemiptera: Cicadellidae: Mileewinae) from Thailand, Zootaxa 4531 (2), pp. 279-287 : 280

Key to species of the genus Processina

1. Crown dark brown with small pale yellow-white stripes on anterior margin; forewing dark brown with distinct yellow or white patches ( Figs. 16–18 )....................................................................... P. sexmaculata

- Crown with yellow areas more extensive or completely black; forewing without patches, membrane color uniform, veins sometimes contrasting yellow........................................................................... 2

2. Crown and face completely black............................................................... P. nigroscens

- Crown and face yellow, or incompletely black............................................................... 3

3. Crown with three thin longitudinal stripes extended posterad across pronotum to mesonotum, without large black medial spot ( Figs.1–4, 11–12 , 22–33 )................................................................ P. chandrai sp. nov.

- Crown without longitudinal stripes, with large black spot medially............................................... 4

4. Frontoclypeus with dark brown longitudinal band medially ( Figs. 5–8, 13–14 , 34–44 )............. P. topoarmata sp. nov.

- Frontoclypeus without dark brown longitudinal band medially.................................................. 5

5. Anterior margin of crown without black spots.................................................... P. dashahensis

- Anterior margin of crown with one or two black spots......................................................... 6

6. Anterior margin of crown with one black spot ( Figs. 9–10, 15 , 45–50 )...................... P. kamphaengensis sp. nov.

- Anterior margin of crown with two black spots.............................................................. 7

7. Abdominal venter brown, male pygofer process branched............................................ P. taiwanana

- Abdominal venter yellow, male pygofer process unbranched ( Figs. 19–21 )............................... P. ruiliensis

Figures

FIGURES 16–21. Habitus (dorsal and lateral views) and face. 16–18, Processina sexmaculata (male); 19–21, Processina ruiliensis (male). Scale: 1 mm.

FIGURES 1–15. Habitus (dorsal and lateral views) and face. 1–4, 11–12, Processina chandrai sp. nov. (male and female); 5– 8, 13–14, Processina topoarmata sp. nov. (male and female); 9–10, 15, Processina kamphaengensis sp. nov. Scale: 0.5 mm.

FIGURES 22–33. Processina chandrai sp. nov. 22–28, male genitalia. 29–33, female genitalia. 22. Pygofer, lateral view; 23. Pygofer process, lateral view; 24. Aedeagus, lateral view; 25. Aedeagus, ventral view; 26. Subgenital plate, ventral view; 27. Connective, ventral view; 28. Style, ventral view.; 29. Sternite VII, ventral view; 30. First valvulae, lateral view; 31. First valvulae, detail of sculpturing; 32. Second valvulae, lateral view; 33. Second valvulae, detail of sculpturing.

FIGURES 34–44. Processina topoarmata sp. nov. 34–39. male genitalia. 40–44. female genitalia. 34. Pygofer, lateral view; 35. Aedeagus, lateral view; 36. Aedeagus, ventral view; 37. Subgenital plate, ventral view; 38. Connective, ventral view; 39. Style, ventral view; 40. Sternite VII, ventral view; 41. First valvulae, lateral view; 42. First valvulae, detail of sculpturing; 43. Second valvulae, lateral view; 44. Second valvulae, detail of sculpturing.

FIGURES 45–50. Processina kamphaengensis sp. nov. male genitalia. 45. Pygofer, lateral view; 46. Aedeagus, lateral view; 47. Aedeagus, ventral view; 48. Subgenital plate, ventral view; 49. Connective, ventral view; 50. Style, ventral view.