Neoperla dundoana, 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 : 131

.................................................................................. 81 N. dundoana n. sp.

Females

At the base of the SSt is usually a section of variable length that can presumably be much expanded, it has scales only along the convex face while the concave side is membranous, looks void but may have longitudinal folds. This basal section is not considered in statements like "entirely" or "completely coated with scales".

1 Caudal edge of S8 with a long nail (e.g., Figs 369 , 378, 382 ). SSt long........................................... 2

1' Caudal edge of S8 and SSt variable, possible nails are short.................................................... 4

Figures

FIGURES 365–372. Neoperla excisa Klapálek: 365, ♁ lectotype, dorsal view of abdominal tip (from Klapálek 1923b); 366, abdominal tip of ♁ from Bumbuna, Sierra Leone, tergites and HT10 labeled; 367, handsketch of hemitergites and abdominal tip (lateral view) of the actual lectotype specimen, drawn in 1973; 368, penis, ♁ from Makokou, Gaboon; 369, 370, genital situs and egg of ♀ from Walikale; 371, egg from Odzala N. P.; 372, chorion of Guinean specimen (NEOP236). Scales are 100µm, except 50µm in Fig. 372. a, anchor; n, nail; sa, spermatheca; SSt, spermathecal stalk.

FIGURES 373–385. Neoperla heideae n. sp. and N. larvata n. sp. N. heideae: 373, 374, abdominal tip and contracted penis of a misassociated paralectotype of N. excisa Klap. from Lolodorf (to the same scale), with the label in Sütterlin script; 375, contracted penis, dorsal view, 376, everted endophallus (from Libamba); 377, ♀ situs from near Kama (D. R. Congo); 378, ♀ situs (D. R. Congo, Odzala N.P., NEOP242); 379, egg (Sangmelina,Cameroon). N. larvata: 380, everted endophallus (CAR, Bayanga, NEOP240); 381, ♀ situs, sternites 8 and 9 labeled (Ghana, Ankasa Res.); 382, ♀ situs (Togo, Kati); 383, ♀ situs (Ghana, Volta R., Z21.41); 384, egg with detail, Guinea, Simbareya (NEOP237); 385, aberrant contracted penis, ♁ from Ivory Coast, Boa. The scales are 100µm; tergites, HT10 and cercus labeled. a, anchor; mi, micropyle; n, nail; sa, spermatheca; SSt, spemathecal stalk; V, vagina.