Macrogynoplax species

Ribeiro, José Moacir Ferreira & Rafael, José Albertino, 2007, Description of one new species and a key to adults of Macrogynoplax Enderlein (Plecoptera, Perlidae) from Reserva Florestal Adolpho Ducke, Amazonas, Brazil, Zootaxa 1511 (1), pp. 17-28 : 18

Key to males of Macrogynoplax species of Amazonas, Adolpho Ducke Forested Reserve, Brazil

1 Forewings with Rs, r–m and CuA vein dark; penial tube distinctly larger ventrally in lateral view ( Figs. 15, 16 , 24, 25 ) with sclerotized penial hooks ( Figs 14 , 23 ); tergum ten with two patches of sensilla basiconica........................................................................................................................................................... 2

- Forewing veins and membrane hyaline; penial tube not dilated ventrally in lateral view ( Figs. 33 , 44) without sclerotized penial hooks ( Figs 31 , 40 ). Tergum ten without sensilla basiconica............................ 3

2 Penial hooks short, their apex reaching ½ penial tube height, hooks abruptly turned ventrally at its midpoint ( Figs. 23, 24 ); paraproct subapical denticle not prominent ( Fig. 22 ) ............ Macrogynoplax poranga

- Penial hooks long, apex reaching to tip of tube, hooks crossing near apex; paraproct subapical denticle prominent ................................................................................................................ Macrogynoplax delicata

3 Penial tube with membranous apex short and enlarged subapically ( Figs. 40, 41 ); paraproct with rounded apex ( Fig. 39 ) ................................................................................................... Macrongynoplax anae , sp.n.

- Penial tube with membranous apex long and narrowed toward apex ( Figs. 31, 32 ); paraproct with acuminated apex ( Fig. 30 ) ...................................................................................................................... M. pulchra

Figures

FIGURES 9–17. Macrogynoplax delicata; 9. Male, Sterna 7-10,ventral; 10. Male, Terga 9-10 dorsal; 11-12. Male hammer, ventral and lateral; 13. Male, paraproct lateral; 14. Male, aedeagus, dorsal; 15. Male, aedeagus, ventral; 16. Male, aedeagus, lateral; 17. Female, sterna 8-10

FIGURES 18–25. Macrogynoplax poranga, Male. 18. Sterna 7-10; 19. Terga 9-10; 20. Hammer, ventral. 21. Hammer, lateral; 22. Paraproct, lateral; 23. Aedeagus, dorsal; 24. Aedeagus, ventral; 25. Aedeagus, lateral.

FIGURES 26–34. Macrogynoplax pulchra. 26. Male, sterna 7-10; 27. Male terga 9-10; 28. Male, hammer, ventral; 29. Male, hammer, lateral; 30. Paraproct, lateral; 31. Aedeagus, dorsal; 32. Aedeagus, ventral; 33. Aedeagus, lateral; 34. Female, sterna 8-10 (original drawing of Ribeiro-Ferreira and Froehlich 1999).

FIGURES 35–43. Macrogynoplax anae sp.n., male. 35. Sterna 7-10; 36. Terga 9-10; 37. Hammer, ventral; 38. Hammer, lateral; 39. Paraproct, lateral; 40. Aedeagus, dorsal; 41. Aedeagus, ventral; 42. Aedeagus, lateral; 43. Aedeagus, caudal.