Neoperla sjostedti, Klapalek, Klapalek, 1909

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 : 132

15 Caudal edge of S8 with short rounded projection that is a little thickened. The ribbon-like SSt is several times longer than vagina and S8 and appears void for almost half the length because there are only few scales along the convex edge. The elongate egg has wide blunt poles and straight striae.............................................. 78 N. sjostedti Klapálek

15' S8 not as above, the SSt is not nearly as long and has no strikingly long void basal section.......................... 16