Chrysotimus Loew

Key to species (males) of Chrysotimus Loew View in CoL View at ENA from China

1. Hind tarsomere 1 without black ventral bristles at base................................................ 2

­ Hind tarsomere 1 with black ventral bristles at base .................................................... 3

2. Epandrium with truncate apex, lateral process on epandrium thick and truncate ( Fig. 25 View FIGURES 24–25 )... Guangxi.......................................... Chrysotimus guangxiensis Yang and Saigusa View in CoL

­ Epandrium with acute apex, lateral process on epandrium with deep incision apically ( Fig. 46 View FIGURE 46 ) ... China............................................................... Chrysotimus sinensis Parent View in CoL

3. Four to five dc, acr absent ............................................................................................. 4

­ Six dc, acr present ...................................................................................................... 11

4 Arista dorsal; epandrium with broad lateral process ( Fig. 20 View FIGURES 19–20 )... Zhejiang................................................................................................................... Chrysotimus dorsalis Yang View in CoL

­ Arista sub­apical or apical; epandrium with thin finger­like process ( Figs. 6 View FIGURES 5–6 , 8 View FIGURES 7–8 , 13 View FIGURES 11–13 ) .. 5

5. Antennal scape and pedicel yellow ... Zhejiang.............. Chrysotimus basiflavus Yang View in CoL

­ Antenna wholly black or blackish................................................................................. 6

6. Five dc; fore tarsomere 1 without row of v... Zhejiang....................................................................................................................................... Chrysotimus apicicurvatus Yang View in CoL

­ Four dc; fore tarsomere 1 with row of v........................................................................ 7

7. Hind tarsomere 1 with more than 14 black ventral bristles at base............................... 8

­ Hind tarsomere 1 with less than 12 black ventral bristles at base................................. 9

8. Hind tarsomere 1 with 22 black ventral bristles at base; surstylus on epandrium not furcated apically, cercus broad with acute apex ( Fig. 15 View FIGURES 14–16 ) ... Gansu.......................................................................................................................... Chrysotimus chikuni View in CoL sp. nov.

­ Hind tarsomere 1 with 14–16 black ventral bristles at base; surstylus on epandrium with deeply furcated apex, cercus round ( Fig. 59 View FIGURES 57–59 ) ... Guangxi...................................................................................................................................... Chrysotimus xuae View in CoL sp. nov.

9. Hind tarsomere 1 with 3–4 black ventral bristles at base; surstylus basally without inner process ... Beijing.............................................. Chrysotimus songshanus View in CoL sp. nov.

­ Hind tarsomere 1 with about 10 black ventral bristles at base; surstylus basally with inner process ( Figs. 12 View FIGURES 11–13 , 44 View FIGURES 43–45 ) ........................................................................................ 10

10. Hairs and bristles on thorax dark brown; hind tibia with 1 ad; surstylus on epandrium apically round, without apical incision ( Fig. 13 View FIGURES 11–13 )... Yunnan.................................................................................................................... Chrysotimus bispinus Yang and Saigusa View in CoL

­ Hairs and bristles on thorax yellow; hind tibia with 2 ad; surstylus on epandrium apically acute, with apical incision ( Fig. 45 View FIGURES 43–45 ) ... Hubei, Shaanxi, Yunnan........................................................................................ Chrysotimus shennongjianus Yang and Saigusa View in CoL

11. Acr 2–5 pairs .............................................................................................................. 12

­ Acr 6–10 pairs ............................................................................................................. 18

12. Hind tarsomere 1 with 4–8 sparse black ventral bristles at base ................................ 13

­ Hind tarsomere 1 with 1 or 2 bundles of dense black ventral bristles at base ........... 14

13. R 4+5 and M slightly convergent apically; hind tarsomere 1 with 2 bundles of black ventral bristles at base; epandrium with short and broad process, surstylus with broad apex ( Fig. 10 View FIGURES 9–10 ) ... Shaanxi......................................... Chrysotimus bifascia Yang and Saigusa View in CoL

­ R 4 +5 and M parallel apically; hind tarsomere 1 with bundle of black ventral bristles at base; epandrium with long and acute process, surstylus with acute apex ( Fig. 51 View FIGURES 50–51 ) ... Shaanxi, Yunnan............................................ Chrysotimus unifascia Yang and Saigusa View in CoL

14. Hind tarsomere 1 without rowed v; epandrium with round process, both surstylus and cercus with round apex ( Fig. 61 View FIGURES 60–61 ) ... Yunnan.................................................................................................................................... Chrysotimus yunlonganus Yang and Saigusa View in CoL

­ Hind tarsomere 1 with row of v; epandrium with acute process, surstylus or cercus not as above ...................................................................................................................... 15

15. Hairs and bristles on thorax brown; epandrium with long process (longer than epandrium), surstylus on epandrium furcated apically ( Fig. 40 View FIGURES 38–40 ) ... Guangxi..................................................................................................... Chrysotimus sanjiangyuanus View in CoL sp. nov.

­ Hairs and bristles on thorax yellow; epandrium without long process, surstylus on epandrium not furcated apically.................................................................................. 16

16. Hind femur with row of ad and pd; hind tarsomere 1 with 4 black ventral bristles; cercus long and narrow ( Fig. 56 View FIGURES 55–56 ) ... Beijing...................................................................................................................... Chrysotimus xiaolongmensis Zhang, Yang and Grootaert View in CoL

­ Hind femur without distinct ad or pd; hind tarsomere 1 with 6–8 black ventral bristles ..................................................................................................................................... 17

17. Hind tarsomere 1 with 6 erect short black ventral bristles at base; epandrium with bifurcated process, cercus with broad base and acute apex ( Fig. 4 View FIGURES 1–4 ) ... Guangdong................................................................................................. Chrysotimus acutatus View in CoL sp. nov.

­ Hind tarsomere 1 with 8 erect short black ventral bristles at base; epandrium with acute process; cercus round ( Fig. 23 View FIGURES 21–23 ) ... Guangdong... Chrysotimus guangdongensis View in CoL sp. nov.

18. First flagellomere subtriangular, as long as wide; surstylus and cercus slender ( Fig. 34 View FIGURES 32–34 ) ... Ningxia.................................................................... Chrysotimus ningxianus View in CoL sp. nov.

­ First flagellomere round, wider than long; surstylus and cercus short and broad ( Figs. 37 View FIGURES 36–37 , 42 View FIGURES 41–42 ) ........................................................................................................................ 19

19. Hind tarsomere 1 with row of (about 10) pv .............................................................. 20

­ Hind tarsomere 1 without distinct pv ......................................................................... 22

20. Hind tarsomere 1 with 10–12 black ventral basal bristles; mid tibia without pd or pv ... Shaanxi, Yunnan....................................... Chrysotimus qinlingensis Yang and Saigusa View in CoL

­ Hind tarsomere 1 with about 20 black ventral basal bristles; mid tibia with 2 pd and 1 pv 21

21. Fore and mid tarsomere 1 without distinct v; epandrium basally with short process ( Fig. 42 View FIGURES 41–42 ) ... Shaanxi.......................................... Chrysotimus setosus Yang and Saigusa View in CoL

­ Fore and mid tarsomere 1 each with row of 5–6 v; epandrium basally with long and acute process ( Fig. 54 View FIGURES 52–54 ) ... Guangdong............... Chrysotimus xiaohuangshanus View in CoL sp. nov.

22. Hind tarsomere 1 with 2–3 bundles of 14–15 black ventral bristles on basal 1/6 (which contains 1–2 small tight bundles and 1 large loose bundle); surstylus finger­like; hypandrium without apical incision ( Fig. 18 View FIGURES 17–18 ) ... Yunnan........................................................................................................................ Chrysotimus digitatus Yang and Saigusa View in CoL

­ Hind tarsomere 1 with bundle of black ventral bristles; surstylus rather wide and thick; hypandrium with small apical incision ( Figs. 27 View FIGURES 26–28 , 30 View FIGURES 29–31 )................................................. 23

23. Hairs and bristles on thorax dark brown; hind tarsomere 1 with 15–16 black ventral bristles at base ... Yunnan........................... Chrysotimus pingbianus Yang and Saigusa View in CoL

­ Hairs and bristles on thorax pale or yellow; hind tarsomere 1 with about 10 black ventral bristles .................................................................................................................. 24

24. Hind tarsomere 1 with 12 black bristles; palpus dark brown; 8 irregularly paired acr; cercus with round apex ... Yunnan.................... Chrysotimus incisus Yang and Saigusa View in CoL

­ Hind tarsomere 1 with 7–8 black bristles; palpus yellow; 6 irregularly paired acr; cercus with acute apex ... Yunnan.......................... Chrysotimus lijianganus Yang and Saigusa View in CoL