25. Stigmella auriargentata Remeikis & Stonis, 2016

(Figs 1, 32, 37)

Stigmella auriargentata Remeikis & Stonis, in Stonis et al. 2016d: 44, figs 113–117.

Material examined. 3 ♂ (holotype and paratypes), 1 ♀ (paratype), PERU, Dept. Ancash, 35 km SE Huaraz, Cerro Cahuish, Quabrada Puvadvado, 9°40'19"S, 77°12'21"W, elevation ca. 3870 m, 18.ii.1987, O. Karsholt, genitalia slide nos RA 537♂ (holotype), RA 541♂, RA 542♀ (paratypes) (ZMUC) .

Diagnosis. Belongs to the S. marmorea group. Externally very similar to S. altimontana Remeikis & Stonis. The combination of set of numerous very large cornuti, rounded, lobe-like processes of transtilla, and golden grey forewing with silver shining apical area distinguishes S. auriargentata from all other Stigmella species.

Male (Fig. 32). Described in in Stonis et al. 2016d: 44, fig. 113. Forewing length 2.9–3.0 mm; wingspan 6.4– 6.5 mm.

Female. Described in in Stonis et al. 2016d: 44.

Male genitalia. Illustrated in Stonis et al. 2016d: figs 114–116.

Female genitalia. Illustrated in Stonis et al. 2016d: fig. 117.

Bionomics Adults fly in February. Otherwise biology unknown.

Distribution (Fig. 1). This species occurs in the high Peruvian Andes (Peru: Ancash Departamento) at altitudes about 3870 m.