18. Stigmella mustelina Remeikis & Stonis, 2016

(Figs 1, 4, 33, 37)

Stigmella mustelina Remeikis & Stonis, in Stonis et al. 2016d: 58, 60, 61, figs 162–166.

Material examined. 2 ♂ (holotype and paratype), PERU, Dept. Lima, 10 km N Oyón, Quabrada Quichas, Pueblo Quichas, 10°34'17"S, 76°46'03"W, elevation about 4000 m, 24–26.ii.1987, O. Karsholt, genitalia slide no. RA 550♂ (holotype), AD 667♂ (paratype) (ZMUC) .

Diagnosis. The combination of: white spots on pale, speckled forewing, deeply divided uncus, and specific set of cornuti which includes scattered minute cornuti and a cluster of 2–3 spine-like cornuti distinguishes S. mustelina from all other Stigmella species.

Male (Fig. 33). Described in Stonis et al. 2016d: 58, fig. 162. Forewing length 3.2–3.6 mm; wingspan about 6.9–7.6 mm.

Female. Unknown.

Male genitalia. Illustrated in Stonis et al. 2016d: figs 163–166.

Bionomics Adults fly in February. Otherwise biology unknown.

Distribution (Fig. 1). This species occurs in the high Peruvian Andes (Peru: Lima Departamento) at altitudes 4000 m.