Nepalomyia henanensis (Yang, Yang & Li, 1998)

Wang, Meng-Qing, Chen, Hong-Yin & Yang, Ding, 2014, New species of Nepalomyia henanensis species group from China (Diptera: Dolichopodidae: Peloropeodinae), Zoological Systematics 39 (3), pp. 411-416 : 412

Nepalomyia henanensis species group

Diagnosis. Body median-sized (body length 2.0– 3.9 mm), usually with metallic green or dark brown body coloration. Male genitalia large and mostly exposed: epandrium with short finger-like or large lateral lobe; hypandrium with deep or shallow bifurcated apex, symmetrical in ventral view. Remarks. Eighteen species are known so far from China.

Key to species of Nepalomyia henanensis group from China (males)

1. First flagellomere distinctly longer than wide (unknown for N. zhangae ) .............................................................................................2 First flagellomere wider than long (or as long as wide) ......................................................................................................................... 6

2. First flagellomere about 1.2 times as long as wide .................................................................... N. hastate Wang, Yang & Grootaert First flagellomere much elongated, more than 2.5 times as long as wide ..............................................................................................3

3. Hind tarsomere 1 shortened and thickened with furcated basal spur ...................................................... N. furcata (Yang & Saigusa) Hind tarsomere 1 not shortened or thickened with furcated basal spur .................................................................................................. 4

4. Hypandrium deeply bifurcated .............................................................................................................................................................5 Hypandrium only shallowly bifurcated apex ....................................................................................................... N. hui Wang & Yang

5. Hind tibia with one ad and 3–4 pd bristles, hind tarsomere 1 with one v at base ......................................... N. horvati Wang & Yang Hind tibia with two ad and 5–6 pd, hind tarsomere 1 with two v at base ................................ N. zhangae Wang, Yang & Grootaert

6. First flagellomere as long as wide..........................................................................................................................................................7 First flagellomere distinctly wider than long.......................................................................................................................................... 9

7. Four dc; cercus band-like, with thin basal tubercle; aedeagus rather thick and subgeniculate apically.. N. daliensis (Yang & Saigusa) Five dc; cercus subtriangular, with swollen basal tubercle; aedeagus slender ....................................................................................... 8

8. First flagellomere with distinct upper and lower corners; cercus with quadrate basal tubercle................................. N. dongae sp. nov. First flagellomere with lower but no upper corner; cercus with round basal tubercle........ N. jinshanensis Wang, Yang & Grootaert

9. Thoracic pleuron wholly dark metallic green .....................................................................................................................................10 Thoracic pleuron brownish yellow to yellow except upper portion or pteropleuron dark....................................................................15

10. First flagellomere with short lower apical corner.................................................................................................................................11 First flagellomere with long lower apical corner ................................................................................................................................14

11. Cercus with finger-like basal tubercle bearing many long bristles; hypandrium with small apical incision ............................................ ................................................................................................................................................................ N. pilifera (Yang & Saigusa) Cercus without basal tubercle ............................................................................................................................................................ 12

12. Hind tibia with 1 ad; CuAx ratio 0.4; cercus with long finger-like process, geniculate basally...... N. zhouzhiensis (Yang & Saigusa) Hind tibia with 2 ad; CuAx ratio 0.6; cercus without process .............................................................................................................. 13

13. Fore tibia with 2 ad; epandrium with 2 lateral processes .............................................................................. N. damingshanus sp. nov. Fore tibia without distinct ad; epandrium without lateral process.................................................... N. henanensis (Yang, Yang & Li)

14. Halter yellow; hypandrium somewhat long and narrow, with a V-shaped apical incision............... N. brevifurcata (Yang & Saigusa) Halter dark brown with yellow base; hypandrium short and broad, with a small, quadrate apical incision ............................................. ………………………………………………………………………………………………………. N. daweishana (Yang & Saigusa)

15. Acr absent; 6 dc; thoracic pleuron brownish yellow to yellow except upper portion dark ................... N. pingbiana (Yang & Saigusa) Acr present; 5 dc; thoracic pleuron brownish yellow to yellow except pteropleuron dark ................................................................... 16

16. Hind tibia with 3 pd; cercus with weak basal tubercle and distinct middle tubercle; aedeagus slender .. N. taiwanensis Wang & Yang Hind tibia with 7–8 pd; cercus with distinct basal tubercle, but without middle tubercle; aedeagus long and broad, apically with finger-like lateral processes .................................................................................................................................................................. 17

17. Hind tibia with 1 ad; aedeagus with 4 finger like lateral processes ........................................................... N. shennongjiaensis sp. nov. Hind tibia with 4 ad; aedeagus with 2 finger like lateral processes .............................. N. guangdongensis Wang, Yang & Grootaert

© Zoological Systematics, 39(3): 411–416