Drasteria langi (Erschoff, 1874)

(Map 5) (Fihs. 37–39 (imago))

Ершов, 1874: 56; таб. 4, фиг. 57 [Ershov, 1874: 56; pl. 4, fig. 57] ( Syneda Langi). Type locality: “in valle Sarafschan prope montem Kulbasi” (by the original description); “Russian Turkestan” (by the lectotype designation, designated here).

Type material. Lectotype male (designated here in accordance with ICZN Art. 74) (Figs. 37–39), labelled: “coll. Erschov. ” (white paper, printed); “25.” (pink paper, printed); “Русскiй | Туркестанъ.” [Russian Turkestan] (white paper, printed) (ZISP) . Paralectotype: 1 male (ZISP) .

Poole, 1989: 329.

Variability. Two subspecies are known from its area: nominate (lowlands and middle mountains of Gissar-Alai, Pamir, North-East Himalayas and differs from the nominate subspecies by the yellow or yellowish hindwing upperside) and obscurata Staudinger, 1882 (Saisan lake and its environs, Saur, Tarbagatai, Dzhungar, Boro-Khoro Mts., North, Inner and West Tian-Shan Mts.). The last subspecies differs from the nominate by the absence of any yellow color on the hindwing upperside.