17. Stigmella lobata Remeikis & Stonis, 2016 (Figs 1, 3, 32, 37) Stigmella lobata Remeikis & Stonis, in Stonis et al. 2016d: 69, 73–75, figs 204–212. Material examined. 1 ♂ (holotype), PERU, Dept. Puno, 10 km N Lampa, Quabrada Metara, 15°17'44"S, 70°12'21"W, elevation about 3900 m, 31.iii–3.iv.1987, O. Karsholt, genitalia slide no. RA 553♂ (ZMUC); 1 ♂ (paratype), 15 km E Ayaviri, Laguna Asnacocha, 14°49'44"S, 70°22'34"W, ca. 3940 m, 26–27.iii.1987, O. Karsholt, genitalia slide no. RA 559♂ (ZMUC). Diagnosis. The combination of shining, copery golden forewing without fascia, large, apically angular inner lobe of valva, and specific set of four or three large spine-like cornuti in phallus distinguishes S. lobata from all other Stigmella species possessing one caudal process of gnathos in the male genitalia. Male (Fig. 32). Described in Stonis et al. 2016d: 69, figs 204, 205. Forewing length: 3.3–3.5 mm; wingspan: 7.1–7.6 mm. Female. Unknown. Male genitalia. Illustrated in Stonis et al. 2016d: figs 206–212. Bionomics Adults fly in late March—early April. Otherwise biology unknown. Distribution (Figs 1, 3). This species occurs in the high Peruvian Andes (Peru: Puno Departamento) at altitudes about 3900–3940 m.

Published as part of Stonis, Jonas R., Diškus, Arūnas, Remeikis, Andrius, Karsholt, Ole & Torres, Nixon Cumbicus, 2017, Illustrated review of the leaf-mining Nepticulidae of the central Andes (Peru and Bolivia), pp. 1-70 in Zootaxa 4257 (1) on page 30, DOI: 10.5281/zenodo.557156