Chelipoda, Macquart, 1823

Zhang, Leyou, Lin, Chen, Gao, Shang & Yang, Ding, 2024, Six new species of Chelipoda (Diptera: Empididae) from Shennongjia, China, Zootaxa 5523 (4), pp. 448-458 : 449

Key to species of Chelipoda from Shennongjia

1 Thorax at least partly pale.............................................................................. 2

- Thorax entirely blackish or black......................................................................... 7

2 Mesoscutum mostly dark yellow or brownish yellow; fore femur not narrowed.................................... 3

- Mesoscutum mostly blackish except large dark yellow antero-lateral portion; fore femur distinctly narrow.. C. curva sp. nov.

3 Head black; thorax brownish yellow...................................................................... 4

- Head dark yellow; thorax wholly pale yellow..................................... C. xanthocephala Yang et Yang

4 Fore coxa without spine-like pd at extreme base; fore tarsus unmodified.......................................... 5

- Fore coxa with one spine-like pd at extreme base; fore tarsomere 2 shortened, tarsomeres 2–3 with short spine-like dorsal bristles............................................................................. C. dorsispina sp. nov.

5 Mesoscutum with very long mid-longitudinal stripe along entire length........................................... 6

- Mesoscutum with short mid-longitudinal stripe only on anterior half.................... C. shennongana Yang et Yang

6 Postpedicel distinctly elongated, 3.25–3.5 times longer than wide, distinctly pubescent; mesoscutum with very long mid-longitudinal stripe distinctly widened anteriorly and posteriorly...................................... C. digitiformis

- Postpedicel somewhat short, 2.1–2.2 times longer than wide, indistinctly pubescent; mesoscutum with very long mid-longitudinal dark brown stripe weakly widened posteriorly........................................... C. trifurcata

7 Male cercus rather long with two long, hook-like processes.................................................... 8

- Male cercus rather small, short subconical.................................................... C. conica sp. nov.

8 Antenna wholly dark brown; male cercus rather long with two long, hook-like processes......... C. biancistroides sp. nov.

- Antenna mostly yellow, with postpedicel dark yellow; male unknown....................... C. lyneborgi Yang et Yang