Macrogynoplax poranga Ribeiro-Ferreira & Froehlich

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 : 22-23

Macrogynoplax poranga Ribeiro-Ferreira & Froehlich

( Figs. 6 , 18–25 ).

Macrogynoplax poranga Ribeiro-Ferreira & Froehlich, 1999:136 , figs. 7–10; Froehlich, 2003:133 (key)

Diagnosis. Body light yellow to whitish in alcohol. Tergum ten of male with short spines submedially. Penial armature with base distinctly enlarged in lateral view; penial hooks short and turned forward.

Redescription of male. Neotype (pres. desig.), (similar to Fig. 1 of M. delicata ). Body light yellow, 9.4 mm long. Head light yellow, 1.0 mm long, 1.9 mm wide; frons with inconspicuous M–shaped spots, concolorous with the integument, located anterior to the ocelli; ocelli separated by twice their width; maxillary and labial palpi pale yellow; scape, pedicel, and flagellum pale yellow. Pronotum uniformly pale yellow, (similar to Fig. 4 of M. delicata ). Meso– and metanotum pale yellow. Legs pale yellow. Forewings with Rs, r-m and CuA veins, dark brown ( Fig. 6 ). Abdomen pale yellow; cerci pale yellow with last segments pale brown with longer bristles. Sternum eight ( Fig. 18 ) wider than long with posterior margin rounded, bristles slightly longer laterally; hammer ( Figs. 20–21 ) slightly oblique in ventral view; paraprocts ( Fig. 22 ) rounded at tip with inconspicuous subapical denticle. Tergum ten ( Fig. 19 ) with dense patches of sensilla basiconica posteromedially. Penial armature with hooks short and abruptly bent at middle toward ventral surface ( Figs. 23–25 ); hooks with minute distal bristles ( Fig. 24 ).

Female not associated.

Variations. Length of male 7.7–10.6 mm; maxillary and labial palpi from light to dark brown; forewing 9.1–10.3 mm long, 3.2–3.4 mm wide.

Distribution. Amazonas (Manaus).

Material examined: Neotype (pres. desig.) (male INPA). BRASIL, AM[azonas], Manaus , Reserva Ducke , Ig [arapé] Tinga, Malaise, 24–31.iii.2003, J.M.F.Ribeiro . Neotype male Macrogynoplax poranga Ribeiro-Ferreira & Froehlich , desig. J.M.F.Ribeiro & J.A.Rafael. Amazonas, Manaus, Reserva Ducke, Ig. [arapé] Acará, arm. Malaise, 24.vii.2002, J.M.F.Ribeiro & João Vidal (2 male INPA); same location, Ig. Ipiranga, 11–13.ix.2002, J.M.F.Ribeiro & João Vidal (2 male MPEG), same location, 14–16.ix.2002 (2 male INPA); same location, Ig. Uberê, 02.xii.2002, J.M.F.Ribeiro (male MZUSP); same location, Ig. Uberê, 17.xii.2002, João Vidal & Jailson Vidal (male INPA); same location, 17–27.xii.2002 (7 male INPA); same location, Ig. Ipiranga, 13.i.2003, J.M.F.Ribeiro (2 male INPA); same location, 20.i.2003 (8 male INPA); same location, 27.i.2003, J.M.F.Ribeiro & João Vidal (3 male INPA); same location, Bolívia, 03.ii.2003, J.M.F.Ribeiro (male INPA); same location, Ig. Tinga, 10–17.iii.2003 (male INPA); same location, 17– 24.iii.2003 (3 male MZUSP); same location, 24–31.iii.2003 (2 male INPA); same location, Ig. Ipiranga, 14– 20.iv.2003 (male MPEG); same location, 13–20.v.2003 (male INPA); same location, 19–26.v.2003 (male INPA); same location, Ig. Uberê, 16–23.vi.2003, J.M.F.Ribeiro & João Vidal (9 male MZUSP, 6 male MPEG); same location, 23–30.vi.2003, arm. Malaise, J.M.F.Ribeiro (2 male INPA); same location, Ig. Acará, 11–18.viii.2003, arm. Malaise, J.M.F.Ribeiro & A.S.Filho (5 male INPA); same location, Ig. Barro Branco, 11–18.viii.2003 (2 male INPA) .

Condition of neotype: Dissected abdomen with the rest of the body inside an Eppendorf tube kept in a glass jar with alcohol.

Figures

FIGURES 1–8. 1. Macrogynoplax delicata, male habitus (in alcohol); 2–3 M. pulchra. 2. Male habitus (in life); 3. Female habitus (in life); 4. Head and pronotum of M. delicata; 5. Fore– and hindwings of M. delicata; 6. Fore– and hindwings of M. poranga; 7. Fore– and hindwings of M. pulchra; 8. Fore– and hindwings of M. anae.

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.