Neoperla aethiopica, Zwick & Zwick, 2023

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 : 71

5' Penis slender with few apical spines, endophallus almost straight, conical, distal half with many dorsal and few ventral spines ( Figs. 177–178 )...................................................................... 31 N. aethiopica n. sp.

Females ( aethiopica , caeleps , crustata unknown)

1 SSt long, forming more than one complete circle (e.g., Figs. 97, 99 )............................................. 2

1' SSt short, forming at most one complete circle, often less..................................................... 3

Figures

FIGURES 177–180. Neoperla aethiopica n. sp. and N. occulta n. sp.. N. aethiopica: 177, penis of holotype (NEOP074); 178, enlarged distal section of the endophallus of the paratype. N. occulta: 179, distal half of penis with everted endophallus (Bayanga LP1); 180, distal part of contracted penis (Bayanga PJ, NEOP058). The curved line connects corresponding structures. Scales are 100µm. bbs, bare basal stretch; bl, basolateral, dd, dorsodistal, dl, dorsolateral spine groups.

FIGURES 96–101. Neoperla decorata n. sp. and N. cataractae n. sp., the holotypes. N. decorata: 96, front wing; 97, genital situs, diagrammatic, spermatheca removed; 98, egg. N.cataractae: 99, female genital situs, diagrammatic, spermatheca removed; 100, 101, egg, side view and optical cross section (from a photograph). Scales are 100µm, other figures not to scale. a, anchor; c, collar; mi, micropyle; op, operculum; os, opercular suture; sd, spermathecal duct, SSt, spermathecal stalk, V vagina.