Andiperla willinki, , Aubert, 1956

Pessacq, Pablo & Rivera-Pomar, Rolando, 2019, A new Andiperla Aubert (Plecoptera, Gripopterygidae) species from the Perito Moreno Glacier, Argentina, Zootaxa 4664 (2), pp. 251-260 : 257

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.

Figures

FIGURE 5. Andiperla willinki, male. 5a, abdominal segments IX–X, lateral view. 5b, abdominal segment X, posterior view.

FIGURE 6. Andiperla willinki, holotype, male. 6a, labels of Holotype. 6b, habitus. 6c, abdominal segment IX–X, lateral view. 6d, abdominal segment X, posterior view.