Togoperla

Stark, Bill P. & Sivec, Ignac, 2008, The Genus Togoperla Klapálek (Plecoptera: Perlidae), Illiesia 4 (20), pp. 208-225 : 224

Provisional Key to Togoperla Males

1 Hemitergal process forward of basal callus about as long as callus ( Fig. 2 ) ……….………………... 2

1’ Hemitergal process forward of basal callus distinctly longer than callus ( Fig. 8 ) …………… 5

2 Wings hyaline; terga 6‐9 with brown mesal sclerite …………………………..…….…. noncoloris

2’ Wings mostly dark brown except for pale costal area …………………………………………….….. 3

3 Tergum 9 with a black mesal sclerite, T 6‐8 without sclerite …………………….…… totanigra

3’ Tergum 9 without mesal sclerite …………….… 4

4 Legs uniformly pigmented except for narrow dark apical femoral band …………………. tricolor

4’ Legs banded, femora and tibiae dark basally and at apex, but with mesal yellow band … canilimbata

5 Femora without conspicuous banding.……….. 6

5’ Femora with conspicuous banding ……………... 7

6 Basolateral lobes of aedeagal tube armed with spines ( Fig. 25 ); known from Japan ………. limbata

6’ Basolateral lobes of aedeagal tube without spines ( Fig. 48 ); known from Thailand …….……… shan

7 Tibiae and femora with conspicuous black and yellow bands …….……………………….……… 8

7’ Tibiae without pigment bands ………………… 9

8 Basolateral lobes of aedeagal tube covered with fine spines ( Fig. 36 ); head yellow brown around dark ocellar area …………………………. perpicta

8’ Basolateral lobes of aedeagal tube without spines; head brown around ocellar area ……… triangulata

9 Hemitergal lobes slightly swollen at tips in lateral aspect ( Fig. 14 ); terga 6‐9 with mesal sclerite ( Fig. 8 ); dorsal aedeagal armature extends to near basolateral lobes and covers surface of lobes ( Fig. 12 ) …………………………………………… clavata

9’ Hemitergal lobes more nearly acute in lateral aspect ( Fig. 18 ); terga 6‐9 without mesal sclerite; dorsal aedeagal armature does not approach bare, basolateral lobes …………………………….….. 10

10 Everted aedeagus a more or less straight cylinder in lateral aspect ( Fig. 17 ); dorsolateral armature connected to ventral armature in a slanted line of spines; known from southwest China ….. fortunati

10’ Everted aedeagus sinuate in lateral aspect ( Fig. 43 ); dorsolateral armature strongly excavated leaving a large lateral bare area ( Fig. 42 ); known from Vietnam ………………………....…. poilanina

Figures

Figs. 1‐6. Togoperla canilimbata. 1. Head and pronotum, 2. Male terminalia, 3. Female terminalia, 4. Vagina, 5. Aedeagus, dorsal aspect, 6. Aedeagus, lateral aspect.

Figs. 7‐14. Togoperla clavata. 7. Head and pronotum, 8. Male terminalia, 9. Female terminalia, 10. Vagina, 11. Aedeagus, lateral aspect, 12. Aedeagus, dorsal aspect, 13. Male hemitergum, lateral, 14.Male hemitergum, dorsal.

Figs. 21‐27. Togoperla limbata. 21. Head and pronotum, 22. Male terminalia, 23. Male hemitergum, dorsal, 24. Male hemitergum, lateral, 25. Aedeagus, lateral aspect, 26. Female terminalia, 27. Vagina.

Figs. 44‐50. Togoperla shan. 44. Head and pronotum, 45. Male terminalia, 46. Male hemitergum, lateral, 47. Aedeagus, lateral aspect, 48. Aedeagus, dorsal aspect, 49. Female terminalia, 50. Vagina.

Figs. 28‐36. Togoperla perpicta (after Sivec et al. 1988). 28. Female terminalia, 29. Vagina, dorsal, 30. Vagina, lateral, 31. Male hemitergum, lateral, 32. Male hemitergum, dorsal, 33. Hemitergal basal callus, 34. Head and pronotum, 35. Male terminalia, 36. Aedeagus, dorsolateral aspect.

Figs. 15‐20. Togoperla fortunati. 15. Head and pronotum, 16. Male terminalia, 17. Aedeagus, lateral aspect, 18. Male hemitergum, lateral, 19. Female terminalia, 20. Vagina.

Figs. 37‐43. Togoperla poilanina. 37. Head and pronotum, 38. Male terminalia, 39. Female terminalia, 40. Vagina, 41. Male hemitergum, lateral, 42. Aedeagus, dorsal aspect, 43. Aedeagus, lateral aspect.