Neoperla serrula, 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 : 20

5' Penis tip without hump, everted endophallus basally wide, turning ventrad and bears dorsally many closely set spines, the ventral side is bare. Terminal section directed caudad and densely covered with spines on all sides ( Fig. 15 )................................................................................................... 5 N. serrula n. sp.

5' Everted endophallus a plump sac standing in straight continuation of penis tube, basal dorsal and ventral sides not much different............................................................................................ 6

Figures

FIGURES 11–15. Males in the N. lujana-complex. N. costata n. sp.: 11, male tergites 7–10, dorsal view; 12, artificially everted penis. N. lujana Navás, artificially everted penes: 13, from Cameroon, Etambo R.; 14, from Bayanga (CAR). 15, N. serrula paratype from Ghana (NEOP009).