Neochauliodes bowringi

Jiang, Wei, Wang, Guoquan & Liu, Xingyue, 2012, New fishfly species of the Neochauliodes bowringi group (Megaloptera: Corydalidae: Chauliodinae), Zootaxa 3230, pp. 59-64 : 60

Key to males of the Neochauliodes bowringi group

1. Ectoproct suboval in lateral view ( Liu & Yang 2005a: fig. 14); tenth gonocoxite with median plate strongly broadened at middle in lateral view ( Liu & Yang 2005a: Fig. 14; Fig. 9 ).................................... N. bowringi (McLachlan)

- Ectoproct subquadrate or subtrapezoidal in lateral view; tenth gonocoxite with median plate feebly broadened or not broadened at middle in lateral view............................................................................ 2

2. Ectoproct subquadrate in lateral view ( Fig. 5 ); tenth gonocoxite blade-like, with apex strongly produced in ventral view ( Figs. 8, 11 )............................................................................................... 3

- Ectoproct subtrapezoidal in lateral view ( Fig. 3 ); tenth gonocoxite tongue-shaped, with apex rounded or truncate ( Figs. 7, 10 ).................................................................................................... 4

3. Forewing with dark spots on proximal half of costal area fused with adjacent ones ( Fig. 2 ); tenth gonocoxite elongated and rather narrow in ventral view ( Fig. 8 )...................................................... N. guixianus sp. nov.

- Forewing with dark spots on proximal half of costal area rounded and isolated with each other ( Liu & Yang 2006: fig. 4); tenth gonocoxite relatively short and broad in ventral view ( Fig. 11 ).......................... N. tonkinensis (van der Weele)

4. Ectoproct with oblique dorsal margin in lateral view ( Fig. 3 ); tenth gonocoxite with median plate rather narrow and feebly broadened at middle in ventral view ( Fig. 7 )............................................. N. cambodianus sp. nov.

- Ectoproct with oblique ventral margin in lateral view ( Liu & Yang 2006: Fig. 14); tenth gonocoxite with median plate broad and not broadened at middle in ventral view ( Fig. 9 )........................................... N. moriutii Asahina

Figures

FIGURES 7 – 11. Male tenth gonocoxites of Neochauliodes spp. 7. N. cambodianus sp. nov., ventral view; 8. N. guixianus sp. nov., ventral view; 9. N. bowringi (McLachlan), ventral view; 10. N. moriutii Asahina, ventral view; 11. N. tonkinensis (van der Weele), ventral view. Scale bars = 1.0 mm.

FIGURES 3 – 6. Male genitalia of Neochauliodes spp. 3. N. cambodianus sp. nov., genitalia, lateral view; 4. same, ectoproct, dorsal view; 5. N. guixianus sp. nov., genitalia, lateral view; 6. same, ectoproct, dorsal view. Scale bars = 1.0 mm.

FIGURES 1 – 2. Habitus images of Neochauliodes spp. 1. N. cambodianus sp. nov., holotype male; 2. N. guixianus sp. nov., holotype male. Scale bars = 5.0 mm.