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LEPIDOPTERA

Clossiana angarensis (Erschoff, 1870)
Clossiana angarensis (Erschoff, 1870)

• TYPE LOCALITY. «Provincia Irkutzkensis» [Angara Valley, Irkutsk Region, Russia].

• RANGE. From the NE. European part across N. and central Siberia to E. Yakutia, the Altais, the Sayan, the Amur and Ussuri regions; N. Korea.

• DISTRIBUTION AND VARIATION. Transbaikalia and S. Siberia are populated by the nomlnolyplcal subspecies, with specimens from the western part of the range smaller and darker. In N. Transbaikalia and the Far East, the ssp. herzi (Wnukowsky, 1927) is known to occur. From the Polar Urals and Yamal Peninsula, the ssp. sedychi (D. Weiss, 1964) has been reported, which is very close habitually to the previous subspecies. The Altais, the Sayan Mts. and the mountains ofTuva are inhabited by the ssp. alticola (Sushkin et Tschetverikov, 1907) (= shelkovnikoui Korb, 1997). This subspecies is close to both previous ones by size but it is somewhat lighter in colouration. In the Amur and Ussuri regions, the ssp. hakutozana (Matsumura, 1927) is known to live, and from Sakhalin the ssp. miakei (Matsumura, 1919) has been described.

• HABITATS AND BIOLOGY. High bogs, clearings, forest outskirts up to 2,200 m a.s.l. Flight period; June to July. Host plant (Novomodnyi, 1996); Vaccinium.

• SIMILAR SPECIES. Clossiana oscarus: submarginal lunules of UNH triangular. C. selenis: smaller; submarginal lunules of UNH yellow, discal band on UNH with mother-of-pearl spots. C. selene, C. perryi, C. euphrosyne, C. iphigenia: discal band on UNH with mother-of-pearl spots. C. titania, C. dia: apical angle ofHW sharpened. C. thore: submarginal row of mother-of-pearl spots of UNH with light violet sheen.

 

Photo and text: Guide to the BUTTERFLIES OF RUSSIA and adjacent territories Volume 2. PENSOFT, Sofia - Moscow. 2000