Scythris sachkovi, D’Entrèves & Roggero, 2006

D’Entrèves, P. & Roggero, A., 2006, New And Little-Known Species Of Scythridid Moths Collected By Z. Kaszab In Mongolia (Lepidoptera: Gelechioidea, Scythrididae), Acta Zoologica Academiae Scientiarum Hungaricae 52 (1), pp. 49-75 : 61-62

Scythris sachkovi sp. n.

( Fig. 8 )

Holotype. m MONGOLIA: Bajanchongor aimak, Oase Dzun mod 100 Km S von Somon Schine žinst, 1300 m Exp. Dr. Z. KASZAB, 1967 / Nr. 869 29.VI.1967 / Prep. Gen. N. Passerin d’E. / 4083 m / Genital slide no. 4083 Passerin d’Entrèves / Holotypus Scythris sachkovi P.E. & R .

Description – Male. Wingspan 16 mm. Fore wings light brown, with a gilded shine on the whole surface, with sparse, whitish and almost insignificant oval patches. Short, light brown fringe. Light brown and glossy hind wings, with very light brown fringe. Head, thorax and abdomen brown. Legs very light brown. Antennae light brown.

Male genitalia ( Fig. 8 A, B , and C). Uncus U-shaped, convex in the middle; gnathos triangular, sharp at apex, the joining arms elongate. Tegumen two thirds as long as the valvae, conical. Valvae symmetrical, bold, arched, with a lobe on apex and setae on lobe and on the inner prominence. Vinculum very short. Aedeagus cylindrical, curved, bifid at apex. T8 trilobate, the two wings on sides rounded. S8 quadrangular, concave posteriorly.

Female. Unknown.

Distribution. Known only from Mongolia.

Biology. The specimen was collected at the end of July, in an oasis with waters rich in ammonia and many poplars.

Figures

Fig. 8. Male genitalia of S. sachkovi sp. n.A: uncus-tegumen-gnathos-valvae complex; B: T8 and S8; C: aedeagus. Scale bar = 0.5 mm