A new Andiperla Aubert (Plecoptera, Gripopterygidae) species from the Perito Moreno Glacier, Argentina Author Pessacq, Pablo Author Rivera-Pomar, Rolando text Zootaxa 2019 2019-09-03 4664 2 251 260 journal article 25614 10.11646/zootaxa.4664.2.7 6e5cb38f-f9df-4bcf-864f-c198be591396 1175-5326 3385677 C6086494-AB44-4516-B688-27B65CD5932F Andiperla willinki ( Figs. 5 , 6 ) Andiperla willinki Aubert, 1956 — Aubert, 1956: 229 , figs. 1–5 (male, female and larval description; larval habitus, male terminalia lateral, female terminalia ventral; larva terminalia ventral). Illies 1963:241 , figs. 50a, 51 (generic key, distribution, maxilla figure). Illies 1964: 38 , 46, figs. 1a, 5a (Andiperlinae family, female habitus, male terminalia lateral). Illies 1966:40 (catalogue). Lanfranco 1982:208 , fig. 1 (distribution). Vera, Zuñiga-Reinoso & Muñoz-Escobar 2012: 87–93 , figs. 1–3 (distribution, female habitus, map). Material. 2 male adults (one well preserved and one fragmented) ARGENTINA , Santa Cruz Province , National Park “Los Glaciares”, 20.ii.2018 , D. Bea , R. P. Kühnlein , R. Nelson , P. Pessacq , and R. Rivera Pomar leg . 4 male adults (3 well preserved and fragments of 1), same as previous except 8–10.ii.2018 , D. Bea, R. P. Kühnlein, P. Pessacq, R. Tintorelli, and R. Rivera Pomar leg . The morphology of the examined specimen ( Fig. 5 ) agrees with the description of Aubert (1956) . Except for abdominal segment X, remaining characters are also identical to A. morenensis . Segment X posterior margin possesses an acute lobe, similar to that of A. morenensis , but directed ventrally . Epiproct not developed. Additional material : Andiperla morenensis : fragments of 2 male adults same as holotype . Fragments of 1 male same as holotype , except 20–21.ii.2018 , D. Bea , R. P. Kühnlein , R. Nelson , P. Pessacq , and R. Rivera Pomar leg . Fragments of 1 male adult, same as previous except 8–10.ii.2017 , D. Bea, R. P. Kühnlein, P. Pessacq, R. Tintorelli, and R. Rivera Pomar leg . Andiperla sp.: 3 female adults, 12 early instar larvae (5 well preserved and fragments of 7), 8 larval exuviae same as holotype except 20–21.ii.2018 D. Bea, R. P. Kühnlein, R. Nelson, P. Pessacq, and R. Rivera Pomar leg . 5 female adults (2 well preserved and fragments of 5), 2 larvae , same as previous except 8–10.ii.2019 , D. Bea, R. P. Kühnlein, P. Pessacq, R. Tintorelli, and R. Rivera Pomar leg.