Stigmella rigida Diškus & Stonis, 2016

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), Zootaxa 4257 (1), pp. 1-70 : 55

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 ).

Figures

FIGURE 34. Adults of central Andean Nepticulidae.

FIGURE 37. Diagnostics of the central Andean Stigmella.

FIGURES 1 – 8. Distribution of the central Andean Nepticulidae. 1, high-Andean species recorded at altitudes above 3700 m (after Stonis et al. 2016 d); 2, species recorded at altitudes below 3700 m; 3 – 8, some collecting areas in the Peruvian Andes.