Nepalomyia

Wang, Mengqing, Chen, Hongyin & Yang, Ding, 2013, Species of Nepalomyia Hollis from Taiwan (Diptera: Dolichopodidae: Peloropeodinae), Zootaxa 3691 (4), pp. 436-442 : 437

Key to species of Nepalomyia from Taiwan (males)

1 Wing R2+3 and R4+5 with swollen bases............................... ( N. trifurcata group) … N. siveci Wang & Yang

- Wing R2+3 and R4+5 normal, not swollen basally............................................................. 2

2 Hypandrium asymmetrical in ventral view ( Fig. 8 )................... (unknown species group) … N. xiaoyanae sp. nov.

- Hypandrium symmetrical in ventral view................................................................. 3

3 Hypandrium trifurcated, cercus without distinct basal tubercle ( Fig. 5 )........................ N. pallipilosa group … 4

- Hypandrium bifurcated, cercus with distinct basal tubercle(s).............................. N. henanensis group … 5

4 Hind first tarsomere strongly thickened; cercus with basal hairs................ N. nantouensis Wang, Yang & Masunaga

- Hind first tarsomere not thickened; cercus lacking basal hairs ( Fig. 5 )........................ N. orientalis (Yang & Li)

5 First flagellomere about 4–5 times longer than wide; hypandrium with narrow base and wide apex. N. horvati Wang & Yang

- First flagellomere wider than long; hypandrium with wide base and narrow apex................................... 6

6 Halter dark brown; cercus with weak basal and distinct middle tubercles................... N. taiwanensis Wang & Yang

- Halter yellow; cercus with distinct basal tubercle and no middle tubercles ( Fig. 2 )........ N. brevifurcata (Yang & Saigusa)

Figures

FIGURES 6 – 8. Nepalomyia xiaoyanae sp. nov., male. (6) First flagellomere; (7) Genitalia, lateral view; (8) Hypandrium, ventral view. Abbreviations: C—cercus; H—hypandrium; LT—lateral tubercle; P—phallus; SDL—surstylus dorsal lobe; SML – surstylus middle lobe; SVL—surstylus ventral lobe; V—ventral. Scale bar: 6 = 0.5 mm; 7 – 8 = 0.1 mm.

FIGURES 4 – 5. Nepalomyia orientalis (Yang & Li, 1998), male. (4) Antenna, lateral view; (5) Genitalia, lateral view. Abbreviations: C—cercus; H—hypandrium; LT—lateral tubercle; P—phallus; SDL—surstylus dorsal lobe; SML – surstylus middle lobe; SVL—surstylus ventral lobe; V—ventral. Scale bar: 4 = 0.5 mm; 5 = 0.2 mm.

FIGURES 1 – 3. Nepalomyia brevifurcata (Yang & Saigusa, 2001), male. (1) First flagellomere; (2) Genitalia, lateral view; (3) Hypandrium, ventral view. Abbreviations: C—cercus; H—hypandrium; P—phallus; SDL—surstylus dorsal lobe; SMLsurstylus middle lobe; SVL—surstylus ventral lobe; V—ventral. Scale bar: 1 = 0.5 mm; 2 – 3 = 0.1 mm.