Chrysotimus Loew
Creators: name: Wang, Mengqing
name: Yang, Ding
name: Grootaert, Patrick
Publisher: name: Zenodo
Year: 2005
Subjects: Biodiversity
Taxonomy
Animalia
Arthropoda
Insecta
Diptera
Dolichopodidae
Chrysotimus

description: Key to species (males) of Chrysotimus Loew 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)... Guangxi .......................................... Chrysotimus guangxiensis Yang and Saigusa   
­ Epandrium with acute apex, lateral process on epandrium with deep incision apically (Fig. 46)... China ............................................................... Chrysotimus sinensis Parent   
3. Four to five dc, acr absent............................................................................................. 4  
­ Six dc, acr present...................................................................................................... 11  
4 Arista dorsal; epandrium with broad lateral process (Fig. 20)... Zhejiang..................... .............................................................................................. Chrysotimus dorsalis Yang   
­ Arista sub­apical or apical; epandrium with thin finger­like process (Figs. 6, 8, 13).. 5  
5. Antennal scape and pedicel yellow... Zhejiang .............. Chrysotimus basiflavus Yang   
­ Antenna wholly black or blackish................................................................................. 6  
6. Five dc; fore tarsomere 1 without row of v... Zhejiang.................................................. ..................................................................................... Chrysotimus apicicurvatus Yang   
­ 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)... Gansu............................... ........................................................................................... Chrysotimus chikuni sp. nov.   
­ Hind tarsomere 1 with 14–16 black ventral bristles at base; surstylus on epandrium with deeply furcated apex, cercus round (Fig. 59)... Guangxi....................................... ............................................................................................... Chrysotimus xuae sp. nov.   
9. Hind tarsomere 1 with 3–4 black ventral bristles at base; surstylus basally without inner process... Beijing .............................................. Chrysotimus songshanus sp. nov.   
­ Hind tarsomere 1 with about 10 black ventral bristles at base; surstylus basally with inner process (Figs. 12, 44)........................................................................................ 10  
10. Hairs and bristles on thorax dark brown; hind tibia with 1 ad; surstylus on epandrium apically round, without apical incision (Fig. 13)... Yunnan........................................... ......................................................................... Chrysotimus bispinus Yang and Saigusa   
­ Hairs and bristles on thorax yellow; hind tibia with 2 ad; surstylus on epandrium apically acute, with apical incision (Fig. 45)... Hubei, Shaanxi, Yunnan........................... ............................................................. Chrysotimus shennongjianus Yang and Saigusa   
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)... Shaanxi ......................................... Chrysotimus bifascia Yang and Saigusa   
­ 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)... Shaanxi, Yunnan ............................................ Chrysotimus unifascia Yang and Saigusa   
14. Hind tarsomere 1 without rowed v; epandrium with round process, both surstylus and cercus with round apex (Fig. 61)... Yunnan.................................................................. .................................................................. Chrysotimus yunlonganus Yang and Saigusa   
­ 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)... Guangxi........................ ............................................................................. Chrysotimus sanjiangyuanus 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)... Beijing........................................................................ .............................................. Chrysotimus xiaolongmensis Zhang, Yang and Grootaert   
­ 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)... Guangdong........ ......................................................................................... Chrysotimus acutatus sp. nov.   
­ Hind tarsomere 1 with 8 erect short black ventral bristles at base; epandrium with acute process; cercus round (Fig. 23)... Guangdong ... Chrysotimus guangdongensis sp. nov.   
18. First flagellomere subtriangular, as long as wide; surstylus and cercus slender (Fig. 34)... Ningxia .................................................................... Chrysotimus ningxianus sp. nov.   
­ First flagellomere round, wider than long; surstylus and cercus short and broad (Figs. 37, 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   
­ 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)... Shaanxi .......................................... Chrysotimus setosus Yang and Saigusa   
­ Fore and mid tarsomere 1 each with row of 5–6 v; epandrium basally with long and acute process (Fig. 54)... Guangdong ............... Chrysotimus xiaohuangshanus 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)... Yunnan................................................ ........................................................................ Chrysotimus digitatus Yang and Saigusa   
­ Hind tarsomere 1 with bundle of black ventral bristles; surstylus rather wide and thick; hypandrium with small apical incision (Figs. 27, 30)................................................. 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   
­ 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   
­ Hind tarsomere 1 with 7–8 black bristles; palpus yellow; 6 irregularly paired acr; cercus with acute apex... Yunnan .......................... Chrysotimus lijianganus Yang and Saigusa
description: Published as part of Wang, Mengqing, Yang, Ding & Grootaert, Patrick, 2005, Chrysotimus Loew from China (Diptera: Dolichopodidae), pp. 1-32 in Zootaxa 1003 (1) on pages 3-5, DOI: 10.11646/zootaxa.1003.1.1