Taxonomic review of Kokeshia Miyamoto, 1960 from China, with description of ten new species (Hemiptera: Heteroptera: Schizopteridae) Author Luo, Jiu-Yang C9ACC9F1-9C82-43C1-A463-5FCAA68557E9 State Key Laboratory of Biocontrol, Sun Yat-sen University, 135 Xingangxi Road, Guangzhou 510275, Guangdong, China. luojy93@mail.sysu.edu.cn Author Xie, Qiang ABD76A07-9958-497F-B84E-03E86DBE8CCE State Key Laboratory of Biocontrol, Sun Yat-sen University, 135 Xingangxi Road, Guangzhou 510275, Guangdong, China. xieq8@mail.sysu.edu.cn text European Journal of Taxonomy 2022 2022-03-11 802 1 57 http://dx.doi.org/10.5852/ejt.2022.802.1687 journal article 20211 10.5852/ejt.2022.802.1687 f446314a-e9b6-4217-a8fd-bb24423e54ca 2118-9773 6358878 C3F3CDB9-0703-458A-BCE4-DE81614F075B 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 Fig. 25. Kokeshia zhengi Rédei, Ren & Bu, 2012 . A‒D . Holotype, ♂ (NKUM). A . Dorsal view. B . Lateral view. C . Pregenital abdomen and genitalia, dorsal view. D . Labels. 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 Fig. 26. Forewings of Kokeshia spp. , dorsal views. A . K. acutiformis sp. nov. , paratype, ♂ (SYSBM). B . K. baii sp. nov. , paratype, ♂ (SYSBM). C . K. bui sp. nov. , paratype, ♂ (SYSBM). D . K. caii sp. nov. , paratype, ♂ (SYSBM). E . K. drepanoides sp. nov. , paratype, ♂ (SYSBM). F . K. hilli sp. nov. , paratype, ♂ (SYSBM). G . K. hsiaoi Ren & Zheng, 1992 , ♂ (SYSBM). H . K. pengae sp. nov. , paratype, ♂ (SYSBM). 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 Fig. 27. Forewings of Kokeshia spp. , dorsal view. A . K. redeii sp. nov. , paratype, ♂ (SYSBM). B . K. renae sp. nov. , paratype, ♂ (SYSBM). C . K. weirauchae sp. nov. , paratype, ♂ (SYSBM). D . K. xiei Rédei, Ren & Bu, 2012 . ♂ (SYSBM). 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.