Chelifera
Creators: name: Wang, Xiwei
name: Yan, Shanchun
name: Yang, Ding
Publisher: name: Zenodo
Year: 2014
Subjects: Biodiversity
Taxonomy
Animalia
Arthropoda
Insecta
Diptera
Empididae
Chelifera

description: Key to species (primarily males) of Chelifera from China
(modified from Yang et al. 2005)
1 Thoracic dorsum entirely or mostly black, or brownish yellow with 2 black longitudinal stripes on mesonotum; pterostigma present except C. sheni ................................................................................ 2
- Thorax uniformly yellowish to dark brownish; pterostigma absent.............................................. 6
2 Mesonotum entirely or mostly black; pterostigma present; male cercus not as below................................. 3
- Mesonotum brownish yellow with 2 black longitudinal stripes; pterostigma absent; male cercus much narrower than epan- drium in lateral view (Yang & Yang 2004, fig. 80)....................................... C. sheni Saigusa & Yang
3 Pterostigma short and wide; thorax black, or thorax yellow except dorsum mainly black............................. 4
- Pterostigma long and narrow; thorax black except pleura brownish yellow [male unknown]...... C. lateralis Yang & Yang
4 Thorax black except postalar calli dark yellow; male cercus not furcated, or apically furcated with short acute ventral process................................................................................................... 5
- Thorax mainly yellow except dorsum mainly black; male cercus apically furcated with short acute dorsal process (Fig. 1)........................................................................................... C. liuae sp. nov.
5 Fore tarsomere 5 and mid and hind tarsomeres 4–5 blackish to black; male cercus not furcate apically (Yang & Yang 2004, fig. 83)............................................................................. C. sinensis Yang & Yang
- All tarsi from tip of tarsomere 3 brown to dark brown onward; male cercus furcate apically with short acute ventral process (Yang & Yang 2004, fig. 77)........................................................ C. incisa Saigusa & Yang
6. Only foreleg raptorial; male cercus not as below............................................................ 7
- Male fore and mid legs raptorial and modified; male cercus nearly straight, with many inner denticles along middle portion (Horvat 2002, figs 8–9)............................................................... C. ornamenta Horvat
7 Thorax brownish yellow or dark brownish; male cercus not furcated apically (Fig. 4)............................... 8
- Thorax yellowish; male cercus furcate apically (Horvat 2002, fig. 1)........................... C. emeishanica Horvat
8 Thorax brownish yellow; male cercus narrowed apically (in dorsal view) and with 4–5 inner denticles on median lobe; epan- drium shorter than cercus, apically not long finger-like (in lateral view) (Yang et al. 2005, fig. 1).......................................................................................... C. nanlingensis Yang, Grootaert & Horvat
- Thorax dark brownish; male cercus wide apically (in dorsal view) and with only 2 inner denticles on subapical lobe (Fig. 5); epandrium distinctly longer than cercus, apically long finger-like (in dorsal view) (Fig. 4)............ C. tibetensis sp. nov.
description: Published as part of Wang, Xiwei, Yan, Shanchun & Yang, Ding, 2014, Two new species of Chelifera Macquart from China (Diptera: Empididae), pp. 187-192 in Zootaxa 3795 (2) on pages 187-188, DOI: 10.11646/zootaxa.3795.2.8, http://zenodo.org/record/225657