Neoperla burgeoni, Navas, Navas

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 : 87

2 Penis apex with elongate lateral sclerites between membranous ventral and dorsal areas and with a transverse dorsodistal patch of spines. Endophallus much wider than the tube, base bare. The spiny section shows a size gradient from large dorsobasal to smaller distal spines. Endophallus diameter quickly reduced to the narrow distal part which when completely everted resembles an elephant’s trunk ( Figs. 209–210 )...................................................... 38 N. burgeoni Navás

2‘ Sclerites at penis tip different, tip with or without a dorsal spine patch, spines on endophallus of fairly uniform size....... 3

Figures

FIGURES 209–212. Neoperla burgeoni Navás, everted penes: 209, ♁ from Ghana, modified from Zwick (1973), endophallus fully everted; 210, ♁ from Guinea, Simbareya, endophallus incompletely everted; 211, ♁ from Cameroon, Garua, the slender penis (base not shown, light safranin stain) with long, bare distal part of endophallus. FIGURE 212. Neoperla beta n. sp., holotype ♁ (Senegal, Gambia r. at Samédouta), everted penis (NEOP200). Figures 209–212 to similar scales.