THE NYMPH OF NIGROPERLA COSTALIS ILLIES, 1964 (PLECOPTERA: PERLIDAE: ACRONEURIINAE) AN D A KEY TO NYM PHS OF THE CHILEAN GENERA OF PERLIDAE. actaent [Internet]. 2022 Jul. 6 [cited 2026 Aug. 15];29(2):7-13. Available from: https://revistas.umce.cl/index.php/actaent/article/view/1974