Neoperla luluana, Navas, Navas

Zwick, Peter & Zwick, Andreas, 2023, Revision of the African Neoperla Needham, 1905 (Plecoptera: Perlidae: Perlinae) based on morphological and molecular data, Zootaxa 5316 (1), pp. 1-194 : 18

4 Large and pale, with clear almost 20 mm long wings. S8 with short transverse subgenital plate. A narrow tube runs cephalad from the vagina, then curves back and turns into a flat slender leaf-shaped section which narrows caudally. Egg stout, with few straight ridges, operculum a sharply delimited conical cap. Stem of anchor solid but several filaments are distally attached ( Figs. 50–55 )......................................................................... 10 N. luluana Navás

4' Size variable, no subgenital plate. Vagina with wide dorsal opening into the flat bag-shaped SSt. Egg with 6–16 ridges, anchor mushroom-shaped, a cap on a single stem........................................... N. transvaalensis -group, p. 8

Figures

FIGURES 50–55. Neoperla luluana Navás, ♀ holotype:50, genital situs, 51, egg, both diagrammatic; 52, detail of the filamentous anchor, the filaments attach to some thick chorion fragment; 53, vertical view onto a micropylar mound, 54, lateral view of same; 55, fraction of the eclosion line, at the end of a costa. Scale lines are 100µm, drawings are not to scale. af, anchor filaments; co, costa; mic, micropylar canal; op, operculum; sa, spermatheca; SSt, spermathecal stalk; su, sulcus; tc, transverse cells.