Neochauliodes sinensis, Walker, 1853

Liu, Xingyue, Hayashi, Fumio & Yang, Ding, 2007, Revision of the Neochauliodes sinensis species-group (Megaloptera: Corydalidae: Chauliodinae), Zootaxa 1511 (1), pp. 29-54 : 30-32

Key to males of the Neochauliodes sinensis species–group

1. Wing with distal portion dark, usually brown or blackish brown ( Fig. 3 )................................................... 2

– Wing with distal portion hyaline or dispersedly dotted ( Fig.1 ) ................................................................... 8

2. Hindwing with basal half blackish brown ( Liu & Yang 2005a: Fig. 1 ) ...................................................... 3

– Hindwing with basal half hyaline ( Fig. 1 ) ................................................................................................... 4

3. Pronotum black ( Liu & Yang 2005a: Fig. 1 ); male tenth sternum in lateral view with acute tip ( Liu & Yang 2005a: Fig. 11 ) ............................................................................ Neochauliodes acutatus Liu & Yang

– Pronotum pale yellow ( Liu & Yang 2005a: Fig. 4 ); male tenth sternum in lateral view with blunt tip ( Liu & Yang 2005a: Fig. 22 ) ........................................................................... Neochauliodes fuscus Liu & Yang

4. Head orange ( Liu & Yang 2005a: Fig. 6 ) ............................................................ Neochauliodes latus Yang

– Head blackish brown ( Fig. 4 ) ...................................................................................................................... 5

5. Distal hyaline area of forewing large, subquadrate ( Figs. 4, 6 )................................................................... 6

– Distal hyaline area small, separated into several tiny hyaline spots ( Fig. 3 ; Liu & Yang 2005a: Fig. 10 ).. 7

6. Male tenth sternum wide and thick, in lateral view with blunt tip ( Fig. 28 ) ................................................. ................................................................................................................... Neochauliodes robustus sp. nov.

– Male tenth sternum narrow and slender, in lateral view with acute tip ( Fig. 21 ) .......................................... ..................................................................................................................... Neochauliodes koreanus Weele

7. Male tenth tergum asymmetric with each other ( Figs. 18–19 ); male tenth sternum in ventral view with truncate tip ( Fig. 20 ) .................................................................... Neochauliodes jiangxiensis Yang & Yang

– Male tenth tergum symmetric with each other (Liu & Yang 2005: Fig. 44 ); male tenth sternum in lateral view with rounded tip (Liu & Yang 2005: Fig. 45 ) .................... Neochauliodes wuminganus Yang & Yang

8. Male tenth sternum in lateral view with apex inflated ( Figs. 10 , 14 , 32 ) .................................................... 9

– Male tenth sternum in lateral view with apex not inflated ( Figs. 18 , 21 , 24 , 36 )...................................... 16

9. Male tenth sternum in ventral view with arched proximal margin ( Fig. 11 )................................................. ..................................................................................................... Neochauliodes amamioshimanus sp. nov.

– Male tenth sternum in ventral view with V–shaped proximal margin ( Figs. 25 , 33 )................................ 10

10. Male tenth sternum wide, 2.5 times as long as wide ( Fig. 37 ) .................................................................. 12

– Male tenth sternum narrow, 4.0 times as long as wide ( Liu & Yang 2006a: Figs. 22 , 26 )........................ 11

11. Wing with dense marks ( Liu & Yang 2006a: Fig. 6 ); male tenth sternum in ventral view with distal lateral margin not expanded ( Liu & Yang 2006a: Fig. 26 ) .................... Neochauliodes punctatolosus Liu & Yang

– Wing with sparse marks ( Liu & Yang 2006a: Fig. 5 ); male tenth sternum in ventral view with distal lateral margin expanded outwards ( Liu & Yang 2006a: Fig. 22 ) ...................... Neochauliodes parcus Liu & Yang

12. Forewing with transverse band narrow or separated into scattered small marks ( Fig. 2 ) ......................... 13

– Forewing with transverse band wide and entire ( Fig. 7 ) .......................... Neochauliodes rotundatus Tjeder

13. Hindwing with median transverse band narrow and separated into sparse small marks ( Liu & Yang 2005b: Fig. 5 ).................................................................................................... Neochauliodes sparsus Liu & Yang

– Hindwing with median transverse band wide and entire ( Fig. 2 ).............................................................. 14

14. Head yellow; male tenth sternum with distal margin incised in ventral view ( Fig. 15 )................................ ......................................................................................................... Neochauliodes formosanus (Okamoto)

– Head dark; male tenth sternum with distal margin truncate in ventral view ( Kimmins 1954: Fig. 19b ; Liu & Yang 2005a: Fig. 37 ) ............................................................................................................................. 15

15. Wing with dense marks at tip ( Liu & Yang 2005a: Fig. 8 ); male tenth sternum in ventral view about 3.0 times as long as distal margin ( Liu & Yang 2005a: Fig. 37 ) ................... Neochauliodes nigris Liu & Yang

– Wing with sparse marks at tip ( Fig. 9 ); male tenth sternum in ventral view about 2.0 times as long as distal margin ( Kimmins 1954: Fig. 19b ) .......................................................... Neochauliodes truncatus Kimmins

16. Pronotum orange without any marks ( Liu & Yang 2005a: Fig. 7 ) ............................................................ 17

– Pronotum yellowish brown laterally with pair of blackish vittae ( Liu & Yang 2005b: Fig. 1 )................. 18

17. Forewing with median transverse band extended to Cu ( Liu & Yang 2005a: Fig. 7 ); male tenth sternum wide with tip slightly incised ( Liu & Yang 2005a: Fig. 33 ) .................. Neochauliodes meridionalis Weele

– Forewing with median transverse band extended to posterior margin ( Liu & Yang 2005a: Fig. 5 ); male tenth sternum slender with tip not incised ( Liu & Yang 2005a: Fig. 26 ) ...................................................... ................................................................................................... Neochauliodes guangxiensis Yang & Yang

18. Hindwing with median transverse band long, extending to Cu ( Figs. 5, 8 ) .............................................. 19

– Hindwing with median transverse band short, extending to M ( Liu & Yang 2005b: Fig. 3 ; Liu & Yang 2006a: Fig. 1 )............................................................................................................................................. 21

19. Forewing with median transverse band separated into several small spots ( Liu & Yang 2005b: Fig. 1 ); male tenth sternum in ventral view with apex strongly narrowed into a digitiform process ( Liu & Yang 2005b: Fig. 8 ) .................................................................................. Neochauliodes digitiformis Liu & Yang

– Forewing with median transverse band entire ( Figs. 5, 8 ); male tenth sternum in ventral view with apex not narrowed into digitiform process ( Figs. 25 , 37 ).................................................................................. 17

20. Male tenth sternum in lateral view with median portion distinctly inflated ( Fig. 36 )................................... ................................................................................................................... Neochauliodes sinensis (Walker)

– Male tenth sternum in lateral view with median portion slightly inflated ( Fig. 24 )...................................... ................................................................................................................ Neochauliodes occidentalis Weele

21. Hindwing with median transverse band longitudinally separated into several small subquadrate spots ( Liu & Yang 2006a: Fig. 1 ); male tenth sternum in ventral view wide lingulate with pair of small distal dents ( Liu & Yang 2006a: Fig. 8 ) .......................................................... Neochauliodes bicuspidatus Liu & Yang

– Hindwing with median transverse band entire ( Liu & Yang 2005b: Fig. 3 ); male tenth sternum in ventral view subtrapezoidal without distal dents ( Liu & Yang 2005b: Fig. 12 )........................................................ ....................................................................................................... Neochauliodes parasparsus Liu & Yang

Figures

FIGURE 44. The map showing the geographical distributions of N. latus, N. nigris, N. sparsus, and N. truncatus.

FIGURE 45. The map showing the geographical distributions of N.amamioshimanus, N. formosanus, N. parcus, N. punctatolosus, and N. rotundatus.

FIGURES 1–9. Habitus photos of the species of the N. sinensis group described or re–described in the present. 1. N. amamioshimanus sp. nov. (Holotype), male; 2. N. formosanus (Okamoto), male; 3. N. jiangxiensis Yang & Yang (Holotype), male; 4. N. koreanus Weele, male; 5. N. occidentalis Weele (Lectotype), male; 6. N. robustus sp. nov. (Holotype), male; 7. N. rotundatus Tjeder, male; 8. N. sinensis (Walker) (Lectotype), male; 9. N. truncatus Kimmins (Allotype), female.

FIGURES 10–13. Neochauliodes amamioshimanus sp. nov. 10. Male genitalia, lateral view; 11. Male tenth sternum, ventral view; 12. Male tenth tergum, dorsal view; 13. Female genitalia, lateral view.

FIGURES 21–23. Neochauliodes koreanus Weele. 21. Male genitalia, lateral view; 22. Male tenth sternum, ventral view; 23. Female genitalia, lateral view.

FIGURES 28–31. Neochauliodes robustus sp. nov. 28. Male genitalia, lateral view; 29. Male tenth sternum, ventral view; 30. Male tenth tergum, dorsal view; 31. Female genitalia, lateral view.

FIGURES 18–20. Neochauliodes jiangxiensis Yang & Yang. 18. Male genitalia, lateral view; 19. Male tenth tergum, right lateral view; 20. Male tenth sternum, ventral view.

FIGURES 14–17. Neochauliodes formosanus (Okamoto). 14. Male genitalia, lateral view; 15. Male tenth sternum, ventral view; 16. Male tenth tergum, dorsal view; 17. Female genitalia, lateral view.

FIGURES 32–35. Neochauliodes rotundatus Tjeder. 32. Male genitalia, lateral view; 33. Male tenth sternum, ventral view; 34. Male tenth tergum, dorsal view; 35. Female genitalia, lateral view.

FIGURES 24–27. Neochauliodes occidentalis Weele. 24. Male genitalia, lateral view; 25. Male tenth sternum, ventral view; 26. Male tenth tergum, dorsal view; 27. Female genitalia, lateral view.

FIGURES 36–39. Neochauliodes sinensis (Walker). 36. Male genitalia, lateral view; 37. Male tenth sternum, ventral view; 38. Male tenth tergum, dorsal view; 39. Female genitalia, lateral view.