Neoperla pickeri, 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 : 18

8 SSt is a plump curved bag, inside it are numerous microtrichia. Egg ovoid, collar sessile and wide, ~ 20 straight costae and irregularly punctate sulci, the conical operculum with punctate grooves ( Figs 69–73 )................. 14 N. pickeri n. sp.

8' SSt slender and almost straight, resembling a finger.......................................................... 9

Figures

FIGURES 69–75. Neoperla pickeri n. sp. and N. coffea n. sp., female holotypes. N. pickeri: 69, genital situs; the vagina is transparent and the coiled spermatheca is visible only as a faint shadow, lines indicate location of enlarged details (not to scale); 70, lateral view of an egg; 71, diagram of chorion structure 72, fragment with collar and stem of anchor, in polar view; 73, fragment of the deeply reticulate operculum. N. coffea: 74, genital situs, transverse lines mark borders between sternites 7 and 8, and 8 and 9, respectively; 75, egg. Scales are 100µm. co, costa; mi, micropyle; mic, micropylar canal; od, oviduct; sa spermatheca, SSt spermathecal stalk; su, sulcus; V, vagina.