Nepalomyia henanensis

Wang, Mengqing, Yang, Ding & Grootaert, Patrick, 2009, New species of Nepalomyia from China (Diptera: Dolichopodidae), Zootaxa 2162, pp. 37-49 : 40-41

Key to species of henanensis group from China (males)

1. Antennal segment three distinctly longer than wide (Unknown for N. zhangae ).......................................................... 2

- Antennal segment three wider than long (or as long as wide)....................................................................................... 6

2. Antennal segment three much elongated, more than 2.5 times longer than wide ......................................................... 3

- Antennal segment three about 1.2 times longer than wide ( Fig. 9 ) ................................................... N. hastate sp. nov.

3. Hind tarsomere 1 shortened and thickened with furcated basal spur ............................................................. N. furcata

- Hind tarsomere 1 not shortened or thickened with furcated basal spur........................................................................ 4

4. Hypandrium deeply bifurcated ..................................................................................................................................... 5

- Hypandrium only shallowly bifurcated apex ........................................................................................................ N. hui

5. Hind tibia with one ad and 3–4 pd bristles, hind tarsomere 1 with one v at base .......................................... N. horvati

- Hind tibia with two ad and 5–6 pd, hind tarsomere 1 with two v at base ...................................... N. zhangae sp. nov.

6. Antennal segment three as long as wide........................................................................................................................ 7

- Antennal segment three distinctly wider than long ....................................................................................................... 8

7. Four dc; cercus band-like, with thin basal tubercle; aedeagus rather thick and subgeniculate apically ...... N. daliensis

- Five dc; cercus subtriangular, with swollen basal tubercle ( Fig. 13 ); aedeagus slender ......... N. jinshanensis sp. nov.

8. Thoracic pleuron wholly dark metallic green ............................................................................................................... 9

- Thoracic pleuron brownish yellow to yellow except upper portion or pteropleuron dark ......................................... 13

9. Antennal segment three with short lower apical corner .............................................................................................. 10

- Antennal segment three with long lower apical corner ............................................................................................... 12

10. Cercus with finger-like basal tubercle bearing many long bristles; hypandrium with small apical incision. N. pilifera

- Cercus without basal tubercle ..................................................................................................................................... 11

11. Hind tibia with one ad; CuAx ratio 0.4; cercus with long finger-like process, geniculate basally ....... N. zhouzhiensis

- Hind tibia with two ad; CuAx ratio 0.6; cercus without process .............................................................. N. henanensis

12. Halter yellow; hypandrium somewhat long and narrow, with a V-shaped apical incision ..................... N. brevifurcata

- Halter dark brown with yellow base; hypandrium short and broad, with a small, quadrate apical incision .................. ................................................................................................................................................................ N. daweishana

13. acr absent; six strong dc; thoracic pleuron brownish yellow to yellow except upper portion dark .......... N. pingbiana

- acr present; five strong dc; thoracic pleuron brownish yellow to yellow except pteropleuron dark .......................... 14

14. Cercus with weak basal tubercle and distinct middle tubercle; hypandrium with base wider than apex; aedeagus slender ..................................................................................................................................................... N. taiwanensis

- Cercus with distinct basal tubercle, but without middle tubercle; hypandrium with somewhat narrow base; aedeagus long and broad, apically with two finger-like lateral processes ( Fig. 7 ) ............................. N. guangdongensis sp. nov.

Figures

FIGURES 8 – 11. Nepalomyia hastata sp. nov. Male. 8. Wing; 9. 3 rd antennal segment and arista, lateral view; 10. genitalia, lateral view; 11. hypandrium, ventral view.

FIGURES 12 – 13. Nepalomyia jinshanensis sp. nov. Male. 12. 3 rd antennal segment and arista, lateral view; 13. genitalia, lateral view.

FIGURES 5 – 7. Nepalomyia guangdongensis sp. nov. Male. 5. Wing; 6. 3 rd antennal segment and arista, lateral view; 7. genitalia, lateral view. BT—basal tubercle; C—cercus.