Neoperla planidorsum, 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 : 17

4 Process of T7 slightly downcuved, parallel to the caudally rising surface of T8; HT10 with long sinuous tip, mediobasal callus large, square, the wide endophallus as long as the penis, straight or curved ( Figs. 91–93 ).......... 19 N. planidorsum n. sp.

4' Process of T7 not parallel to the surface of T8, more or less raised............................................... 5

5 Process of T7 narrow, sharply pointed and very long, extending over most of T8................................... 6

5' Process of T7 not unusually long, extending only a short distance over T8, variable................................. 7

Figures

FIGURES 91–95. Neoperla planidorsum, n. sp., holotype male: 91, abdominal tip, dorsal and partial lateral view, tergites numbered; 92, everted penis. 93, everted penis of ♁ from Suakoko. Female paratype: 94, caudal edge of S7 and genital situs in S8, diagrammatic, scaly area of SSt shaded, asterisk marks location of enlarged inset, the scale is 5µm; 95, egg. mi, micropyle; mic, micropylar canal; sa, spermatheca; sd, spermathecal duct; SSt, spermathecal stalk; v, vagina.