Nemoura nigricauda, Klapalek, Klapalek

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 : 88

14 Penis is a firm smooth tube almost 9* longer than wide ( Figs. 231–235 )..................... 44 N. nigricauda Klapálek

14' Penis tube soft, approximately 5* longer than wide, distal third dorsally with microscopic denticles................... 15

Figures

FIGURES 231–237. Neoperla nigricauda Navás: 231–234, male fore body, abdominal tip and penis (length 1.18mm), specimens from Cameroon, Etambo r.; 235, everted endophallus of pale ♁ from Kumba. 236, ♀ genital situs, arrow indicates the large spine patch in the vagina); 237, egg (Etambo r.).