Neoperla crenulata, 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 : 132

18 Costae with knobs and little columns in alternating positions.................................. 74 N. crenulata n. sp.

18' The egg costae are unmodified, flat...................................................................... 19

19 The nail on S8 projects and is entire or distally minimally excised ( Figs. 470, 472–473 )............................ 20

19' Nail on S8 notched, variable (Figs, 463–465, 468–469)...................................................... 21

Figures

FIGURES 466–476. females in the Neoperla leroiana cluster, eggs and diagrammatic genital situs to similar sizes, from photographs: N. arambourgana Navás: 466, egg of ♀ from Kama (D. R. Congo; NEOP272); 467, ♀ from Popokabaka (D. R. Congo, NEOP271). N. dundoana n. sp.: 468, 469, egg and genital situs of HT (Dundo, Z16.180, NEOP268). Neoperla leroiana Klapálek: 470, egg of ♀ from Ngonlutu, Togo; ♀ genital situs: 471, Xandel, Angola; 472, Odzala N. P.; 473, Guinea, Konkouré à Linsan; 474, Central Afr. Rep., Bayanga (NEOP281); 475, Victoria Falls (NEOP279); 476, SEM of anchor pole of female from Nigeria (courtesy MPI of Limnology, Pl̂n).