Key to the species of Kokeshia Miyamoto, 1960

1. Tergite VIII not subdivided into two hemitergites, only a long,flattened, acuminate process on the right portion of tergite VIII, bent at about ⅓ from its apex (Fig. 28A) (China) ..... K. acutiformis sp. nov.

– Tergite VIII subdivided into left and right hemitergites ................................................................... 2

2. Process of left hemitergite VIII elongated, needle-shaped, flagelliform or filiform ......................... 3

– Process of left hemitergite VIII not needle-shaped, flagelliform or filiform .................................... 6

3. Process of left hemitergite VIII significantly long, almost reaching the width of tergite VII, the process with an appendage split into three to five branches (Fig. 17D; Ren & Zheng 1992: 191, figs 21‒23) (China) .................................................................................... K. hsiaoi Ren & Zheng, 1992

– Process of left hemitergite VIII relatively long, more than half the width of tergite VII, the process without any appendage ..................................................................................................................... 4

4. Process of left hemitergite VIII filiform, rectangularly bent, with spiniform microtrichia on its apex (Štys 1985: 200, figs 37–38, 40) (Nepal) ........................................................... K. similis Štys, 1985

– Process of left hemitergite VIII needle-shaped or flagelliform, not filiform, without spiniform microtrichia on its apex .................................................................................................................... 5

5 Process of left hemitergite VIII slender, flagelliform, curved from approximal middle portion (Rédei 2008: 244, fig. 6; 248, fig. 14) (Thailand) ....................................................... K. oroszi Rédei, 2008 _ Process of left hemitergite VIII slender, needle-shaped, curved from base (Fig. 29D) (China) ................................................................................................................... K. pengae sp. nov.

6. Process of left hemitergite VIII with a broad brush-like structure formed by hair-like setae .......... 7

– Process of left hemitergite VIII without broad brush-like structures formed by hair-like setae ...... 8

7. Brush-like structure on left hemitergite VIII formed by several narrow, hair-like setae; apical portion of phallus forming about one incomplete coil outside of pygophore (Štys 1985: 192, figs 15, 17; 194, figs 19–20; 196, fig. 26) (Nepal) .................................................................... K. martensi Štys, 1985

– Brush-like structure on left hemitergite VIII formed by less numerous and distinctly thicker setae; apical portion of phallus forming more than a half coil outside of pygophore (Rédei 2008: 244, fig. 5; 246, fig. 7) (India ...................................................................................... K. stysi Rédei, 2008

8. Process of left hemitergite VIII triangular or finger-shaped ............................................................. 9

– Process of left hemitergite VIII not triangular or finger-shaped ..................................................... 14

9. Process of left hemitergite VIII triangular or subtriangular ............................................................ 10

– Process of left hemitergite VIII finger-shaped ................................................................................ 12

10. Process of left hemitergite VIII with a broad, thick near triangular process, with about 8 thick spiniform microtrichia at its right posterolateral margin (Rédei et al. 2012: 30, fig. 2; 31, fig. 4; 33, figs 8‒10) (China) ......................................................................... K. zhengi Rédei, Ren & Bu, 2012

– Process of left hemitergite VIII near triangular, not broad ..............................................................11

11. Process of left hemitergite VIII elongated triangular, right margin with about nine, thick, nearly parallel spiniform microtrichia (Fig. 28C) (China) ..................................................... K. bui sp. nov.

– Process of left hemitergite VIII subtriangular, without thick spiniform microtrichia (Fig. 30B) (China) ..................................................................................................................... K. renae sp. nov.

12. Process of left hemitergite VIII elongate, curved, finger-shaped, with one in apex, and two more thick spiniform microtrichia in ventral side of distal portion, right hemitergite VIII with lamellate process above tergite VII (Fig. 28B) (China) ............................................................. K. baii sp. nov.

– Process of left hemitergite VIII moderate long, finger-shaped, right hemitergite VIII without lamellate process above tergite VII ................................................................................................. 13

13. Process of left hemitergite VIII curved, finger-shaped, with about six thick spiniform microtrichia at ventral side of apex; apical portion of phallus forming about two and a half coils outside of pygophore (Fig. 30C) (China) ....................................................................... K. weirauchae sp. nov.

– Process of left hemitergite VIII not curved, finger-shaped, with out thick spiniform setae;apical portion of phallus forming incomplete one coil outside of pygophore (Fig. 28D) (China) .... K. caii sp. nov.

14. Process of left hemitergite VIII long, thick and horizontally directed, with numerous thick spiniform microtrichia at its ventral surface; apical portion of phallus forming about one coil outside of pygophore (Fig. 30D; Rédei et al. 2012: 30, fig. 1; 31, fig. 3; 33, figs 5‒7) (China) ............................................................................................... K. xiei Rédei, Ren & Bu, 2012

– Process of left hemitergite VIII not as above .................................................................................. 15

15. Process of left hemitergite VIII short and thick, hook-shaped, rectangularly bent; apical portion of phallus forming about one and a half coils outside of pygophore (Miyamoto 1960: 171, pl. 19h–i) (Japan) ....................................................................................................... K. esakii Miyamoto, 1960

– Process of left hemitergite VIII not as above .................................................................................. 16

16. Process of left hemitergite VIII flattened, broad and curved, sickle-shaped; apical portion of phallus forming about a half coil outside of pygophore (Fig. 29A) (China) ............ K. drepanoides sp. nov.

– Process of left hemitergite VIII not as above .................................................................................. 17

17. Process of left hemitergite VIII flattened, slender and curved, sword-shaped; apical portion of phallus forming about one coil outside of pygophore (Fig. 30A) (China) ........................... K. redeii sp. nov.

– Process of left hemitergite VIII not as above .................................................................................. 18

18. Process of left hemitergite VIII nearly quadrangular, left portion with a raised projection, which bearing about seven thick basal-curved spiniform microtrichia, posterior margin of the process with about seven thick basal-curved spiniform microtrichia; apical portion of phallus forming more than one coil outside of pygophore (Fig. 29B) (China) ...................................................... K. hilli sp. nov.