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 : 89

5 Costae with ridges or with high flanges which are bent sideways ( Figs. 323–327 )................. 55 N. dubia Klapálek

Figures

FIGURES 323–331. Neoperla dubia-complex, femalesand eggs.N.dubia Klapálek:323, genital situs; 324, eggwith moderately raised costae (Ghana, Agumatsa waterfalls); 325–327, egg with flanged costae (D. R. Congo, Odzala N. P.). Neoperla proxima n. sp.: 328, genital situs (D. R.Congo, N of Matadi), 329, egg (Cameroon, Sangmelina). Neoperla vicina n. sp. (D.R. Congo): 330, female situs, 331,egg, arrow points at end of raised part of costa (paratype, Walikale, Z2101). Scales are 100µm, similar structures shown to the same scale. Top view of egg (326) based on combined halves of a photograph. Sa, spermatheca; SSt, spermathecal stalk; V, vagina.