FIGURES 169–176 in Revision of the African Neoperla Needham, 1905 (Plecoptera: Perlidae: Perlinae) based on morphological and molecular data

FIGURES 169–176. ♂♂ in the Neoperla pilulifera-complex. N. pilulifera n. sp.: 169, 170, abdominal tip, dorsal and lateral, semi-diagrammatic, tergites and hemitergite 10 labelled; 171, contracted, 172, everted penis; 173, distal half of penis tube and base of endophallus (holotype ♂): all from Bayanga. N. crustata n. sp.: 174, 175, ♂ from Mali, Niger at Bamako; by transparency of the slide mount the basal end of the distodorsal spine group seems to overlap with the far distally displaced basolateral spine group (encircled); 176, holotype from Guinea (NEOP073). 174 and 178 to the same, other figures not to scale. bbs, bare basal stretch; bl, basolateral, dd, distodorsal, dl, distolateral spines.