FIGURES 397–401. Neoperla dianae n in Revision of the African Neoperla Needham, 1905 (Plecoptera: Perlidae: Perlinae) based on morphological and molecular data

FIGURES 397–401. Neoperla dianae n. sp., female: 397, genital situs (Libamba, Cameroon); 398, egg from Kumba, Cameroon, with variable thickness of chorion (reddish-brown), arrow points at abrupt thinning; 399, egg from Walikale, D. R. of the Congo; 400, anchor pole with collar and anchor and 401, detail of striae with 2 micropyles (from Libamba). Scale lines are 100µm, unless differently indicated; a, anchor; ac, anchor cavity; co, costa; cr, curved ridge; ct, crest; mi, micropyle; n, nail; sa, spermatheca; su, sulcus; SSt, spermathecal stalk; V, vagina.