Neoperla dubia, Klapalek, Klapalek. Both, 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 : 88

8 Penis tube with a transverse dorsal belt of spines some distance from tip. Strong spines on knee-like base of endophallus and along dorsal and ventral sides are abruptly replaced by microtrichia covering the endophallus distally ( Figs. 313–317 )........................................................................................ 55 N. dubia Klapálek

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.