Platychauliodes

Liu, Xingyue, Price, Ben W., Hayashi, Fumio & Yang, Ding, 2011, Revision of the fishfly genus Platychauliodes Esben-Petersen (Megaloptera: Corydalidae) endemic to South Africa, Zootaxa 2909, pp. 1-13 : 2-3

Key to adults of Platychauliodes

1. Antennae ( Figs. 7–8 ) subserrate in male but filiform in female; male tenth tergum ( Fig. 16 ) with distal half narrowly digitiformed and straightly directed posteriad; male tenth sternum ( Fig. 19 ) with median plate posteriorly separated into a pair of round plates........................................................................... P. capensis Barnard

- Antennae filiform in both sexes; male tenth tergum ( Figs. 24 , 32 ) with distal half acutely pointed and slightly curved inward; male tenth sternum ( Figs. 28 , 36 ) with median plate separated into a pair of spoon-like lobes, which laterally bear a pair of accessory processes.................................................................................... 2

2. Forewing length 17.2–23.0 mm in male and 26.9–29.8 in female; median plate of male tenth sternum with spoon-like lobes narrow ( Fig. 28 )..................................................................... P. pusillus (McLachlan)

- Forewing length 25.9 mm in male and 34.0– 40.5 in female; median plate of male tenth sternum with spoon-like lobes broad ( Fig. 36 )............................................................................... P. thornei Barnard

Figures

FIGURES 7 – 11. Platychauliodes capensis Barnard. 7. Male head, dorsal view; 8. Female head, dorsal view; 9. Mandible, dorsal view; 10. Maxilla, ventral view; 11. Labium, ventral view. Scale bars = 1.0 mm.

FIGURES 16 – 23. Platychauliodes capensis Barnard. 16. Male genitalia, dorsal view; 17. Male genitalia, ventral view; 18. Male genitalia, lateral view; 19. Male genitalia, caudal view; 20. Male tenth sternum, ventral view; 21. Sclerite beneath male anus, ventral view; 22. Female genitalia, lateral view; 23. Female eighth sternum, ventral view. S 8 – 10: eighth to tenth sternum, T 8 - 10: eighth to tenth tergum, Gx 9: ninth gonocoxite, c: cercus, lar: lateral arm, mpl: median plate. Scale bars = 1.0 mm.

FIGURES 24 – 31. Platychauliodes pusillus (McLachlan). 24. Male genitalia, dorsal view; 25. Male genitalia, ventral view; 26. Male genitalia, lateral view; 27. Male genitalia, caudal view. 28. Male tenth sternum, ventral view; 29. Female genitalia, lateral view; 30. Female eighth sternum, ventral view; 31. Female genitalia, dorsal view. Scale bars = 1.0 mm.

FIGURES 32 – 40. Platychauliodes thornei Barnard. 32. Male genitalia, dorsal view; 33. Male genitalia, ventral view; 34. Male genitalia, lateral view; 35. Male genitalia, caudal view; 36. Male tenth sternum, ventral view; 37. Sclerite beneath male anus, ventral view; 38. Female genitalia, lateral view; 39. Female seventh and eighth sternum, ventral view; 40. Female genitalia, dorsal view. Scale bars = 1.0 mm.