39. Stigmella kristenseni Diškus & Stonis, 2016

(Figs 1, 34, 37)

Stigmella kristenseni Diškus & Stonis, in Stonis et al. 2016d: 69, figs 191–203.

Material examined. 1 ♂ (holotype), PERU, Dept. Lima, 45 km NE Chosica, Millo Valley, Quabrada Yanac, 11°36'30"S, 76°24'18"W, elevation ca. 4000 m, 26–28.i.1987, O. Karsholt, genitalia slide no. AD 670♂ (ZMUC) ; 1 ♂, Dept. Ayacucho, 25 W Puquio, Senal Cerro Palmaderas, 14°39'41"S, 74°27'31"W, elevation ca. 4100 m, 10– 12.iii.1987, O. Karsholt, genitalia slide no. AD 654♂ (ZMUC) .

Diagnosis. This rather large, externally speckled, in male genitalia highly peculiar species differs from other known Stigmella by presence of spined inner process of valva, rod-like thickening of vinculum plate and narrow, apically widening spinose phallus.

Male (Figs 191, 192). Described in Stonis et al. 2016d: 69, figs 191, 192. Forewing length about 3.8 mm; wingspan about 8.1–8.2 mm.

Female. Unknown.

Male genitalia. Illustrated in Stonis et al. 2016d: figs 193–203.

Bionomics Adults fly in late January and March. Otherwise biology unknown.

Distribution (Fig. 1). This species occurs in the high Peruvian Andes (Peru: Lima Departamento and Ayacucho Departamento) at altitudes about 4000–4100 m.