Macrogynoplax anae, Ribeiro & Rafael, 2007

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 : 26-27

Macrogynoplax anae , n. sp.

( Figs. 35-43 )

Diagnosis. Body is pale yellow in alcohol. Tergum ten of male without sensilla basiconica. Penial hooks absent. Apex of penial armature dilated, with small, distolateral projection with minute bristles. Paraproct short, tip rounded, subapical spine acute.

Description. Holotype male. Yellow, pale yellow in alcohol. Body length 9.5 mm. Head light yellow, 1.0 mm long, 1.9 mm wide; frons with inconspicuous M–shaped spot concolorous with the integument, located between base of antennae and anterior to ocelli; ocelli separated by three times their width; maxillary and labial palpi pale yellow; scape, pedicel, and flagellum pale yellow. Pronotum pale yellow, lacking spots (similar to Fig. 4 of M. delicata ). Meso– and metanotum with pale yellow protruberances. Coxa and trochanter pale yellow, femur and tibia without spots. Fore– and hindwings hyaline ( Fig. 8 ). Abdomen pale yellow; cerci pale yellow with lateral bristles longer. Sternum eight ( Fig. 35 ) wider than long with rounded posterior margin and longer lateral bristles; hammer ( Figs. 37–38 ) produced as a callosity, oblique in lateral view; paraproct tip rounded ( Fig. 39 ), with a distinct subapical denticle. Tergum ten ( Fig. 36 ) without sensilla basiconica. Penial armature without hooks ( Figs. 40–41 ). Membranous apex of aedeagus mushroom–shaped, with a small ventrally directed projection having minute bristles. Penial armature ( Fig. 42–43 ) with a small subapical spine in lateral view.

Female. Not associated.

Variations. Length of male 7.8–9.5 mm; forewing length 9.1–12.1 mm, width 2.7–4.0 mm; hindwing length 7.4–10.9 mm, width 3.1–4.5 mm.

Distribution: Amazonas (Manaus).

Material examined. Holotype male ( INPA). BRASIL, AM[mazonas], Manaus ,, Reserva Ducke, Ig.[arapé]. Ipiranga, arm.[adilha] Malaise, 13–20.v.2003, J.M.F.Ribeiro & João Vidal, “ Macrogynoplax anae sp.n. det. J.M.F.Ribeiro & J.A.Rafael, 2003”. Same location, Uberê, 17–24.xii. 2002. João Vidal & Jailson Vidal (Paratype male INPA); same location, ig. Ipiranga; criation, 19.iv.2003 (Paratype male INPA); same location, Ig, Uberê, arm. Malaise, 07–14.vii.2003, J.M.F.Ribeiro & João Vidal (Paratype male MZUSP).

Condition of the type: Dissected abdomen with genitalia in micro vial with glycerin in the same Eppendorf tube, kept in another larger jar with alcohol.

Etymology: Species name is in tribute to Ana Celeste Ribeiro Ferreira, the first researcher to describe Plecoptera species from RFAD (Adolpho Ducke Forested Reserve).

Figures

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.

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.