Chrysotus

Liu, Ruosi, Wang, Mengqing & Yang, Ding, 2013, Chrysotus Meigen (Diptera: Dolichopodidae) from Tibet with descriptions of four new species, Zootaxa 3717 (2), pp. 169-178 : 170

Key to species (males) of Chrysotus from Tibet

1 Epandrium with characteristic angular projection posteriorly ( Fig. 16 ).................................................................................................... Chrysotus laesus -group sensu Wei & Zhang (2010) … 2

- Epandrium without characteristic angular projection posteriorly........................... unknown species group … 3

2 Hind leg entirely black ( Fig. 5 ).................................................... Chrysotus tibetensis sp. nov.

- Hind tibia yellow with base and apex blackish ( Fig. 2 )..................................... Chrysotus biprojicienus

3 Hind femur entirely black ( Fig. 1 )................................................ Chrysotus altavaginas sp. nov.

- Hind femur at least yellow at base....................................................................... 4

4 Fore and mid femora entirely yellow ( Fig. 4 )..................................... Chrysotus namaicunensis sp. nov.

- Fore and mid femora black with base and tip yellow ( Fig. 3 )........................... Chrysotus motuoensis sp. nov.

Figures

FIGURES 15 – 16. Chrysotus tibetensis sp. nov. (male): 15, antenna, lateral view, scale bars = 0.1 mm; 16, genitalia, lateral view, scale bars = 0.1 mm.

FIGURES 1 – 5. habitus photographs: 1, Chrysotus altavaginas sp. nov. (male), scale bars = 0.5 mm; 2, Chrysotus biprojicienus Wei & Zhang, scale bars = 0.5 mm; 3, Chrysotus motuoensis sp. nov. (male), scale bars = 0.5 mm; 4, Chrysotus namaicunensis sp. nov. (male), scale bars = 0.5 mm; 5, Chrysotus tibetensis sp. nov. (male), scale bars = 0.5 mm.