FIGURES 181–192 in Revision of the African Neoperla Needham, 1905 (Plecoptera: Perlidae: Perlinae) based on morphological and molecular data

FIGURES 181–192. ♀♀ of the Neoperla pilulifera-complex. N. pilulifera n. sp.: 181, genital situs, ♀ from Ghana, Ankasa Reservation; 182, egg of same, arrows show micropyles; 183, 184, collar and micropyle of ♀ from Gabun, Belinga; 185, "teleskoping" collar of ♀ from Schouteden, Koteh / Belinga. N. occulta n. sp.: 186, 187, genital situs and egg, Central African Republic, Bayanga. N. nichollsi n. sp., 188–192: 188, 189, genital situs and egg (Liberia, 8 mi NW Belefuanai, S fork S.Paul R., 11.8.66, Ross & Lorenzen diagrammatic, from photographs) (NEOP057); 190–192 are anchor pole regions of an intact and of 2 teratological eggs, all from the same ♀. In 186–188 ♀ situs and eggs to the same scales, respectively. The scale in 181 is 100µm, others figures as indicated, or not to scale. a, anchor; od, oviduct; rd, receptacular duct; sa, spermatheca; SSt, spermathecal stalk.