Neoperla vicina, 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 : 88

8' External spines on penis weak, scale-like, in a dorsal notch of tube. A band of small spines, no microtrichia, starts far from endophallus base but is long ( Figs. 320–322 )................................................. 57 N. vicina n. sp.

9 Endophallus about as long as penis, with wide base, not long and tube-like....................................... 10

9‘ Endophallus much longer than penis tube, narrow, resembling a garden pipe or a rope ( N. spio -cluster)................ 11

Figures

FIGURES 313–322. Males in the Neoperla dubia-complex: N. dubia Klapálek (from Makak, Cameroon): 313, terminal segments, dorsal view; 314, 315, enlarged centre of tergites 7 and 8, dorsal and lateral; 316, contracted, 317, everted penis with detail of distal armature (not to scale, from Ikom, Nigeria). Neoperla proxima n. sp.: 318, abdominal tip in dorsal view; 317, tip of penis with everted endophallus (D. R. Congo, Odzala N. P.). Neoperla vicina n. sp.: 320, 321, abdominal tip, dorsal and lateral views; 322, penis tip with everted endophallus in lateral view, and a detail of external spines in oblique lateral view (D. R. Congo, Bukavu). Scales in 317 and 322 are 100µm, scale in 320 is 0.5mm. The tergites, hemitergite 10 and the cercus are labeled.