41. Stigmella rigida Diškus & Stonis, 2016

(Figs 1, 5, 34, 37)

Stigmella rigida Diškus & Stonis, in Stonis et al. 2016d: 36, 39, figs 93–97.

Material examined. 1 ♂ (holotype), PERU, Dept. Ancash, 35 km SE Huaraz, Cerro Cahuish, Quabrada Pucavado, 9°40'50"S, 77°13'32"W, 4100 m, 15–18.ii.1987, O. Karsholt, genitalia slide no. AD 625♂ (ZMUC) .

Diagnosis. The combination of U-shaped gnathos, five large, slightly curved cornuti, and speckled, nearly 5 mm long forewing distinguishes S. rigida from all other Stigmella species.

Male (Fig. 34). Described in Stonis et al. 2016d: 39, figs 93, 94. Forewing length about 4.8 mm; wingspan about 10.2–10.3 mm.

Female. Unknown.

Male genitalia. Illustrated in Stonis et al. 2016d: figs 95–97.

Bionomics. Adults fly in February. Otherwise biology unknown.

Distribution (Fig. 1). This species occurs in the high Andes of Peru (Ancash Departamento) at altitudes about 4100 m (Fig. 5).