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LEPIDOPTERA

Clossiana erda (Christoph, 1893)
Clossiana erda (Christoph, 1893)

• TYPE LOCALITY. «Vilui» [Vilui River. Yakutia, Russia].

• RANGE. Mountains and tudra of Siberia and the Far East.

• DISTRIBUTION AND VARIATION. Both individual and geographical variation great. In addition to the nominotypical form, the following subspecies have been described: ssp. kitoica Belik, 1996 from the E. Sayan; and ssp. puella Churkin, 1999 from the Barguzinsky Mts., Transbaikalia.

• TAXONOMIC NOTES. The taxon dulkeiti Kurentzov, 1970. described from Omsukchansky Mts., Magadan Region, most probably belongs to this species.

• HABITATS AND BIOLOGY. Meadows and rocky slopes, mountain tundra, screes up to 2,000 m a.s.l. Flight period: June to August. Host plant (Korshunov & Gorbunov, 1995): Vaccinium vitisidaea.

• SIMILAR SPECIES. Clossiana alberta: antennae shorter and thicker; at base of UNH three well-developed silvery spots; sexual dimorphism less well-developed. C. distincta: ground colour of UPS paler; apical angle of HW sharpened; thorax dorsally with greenish hairs. C. tritonia: much larger; apical angle of HW sharpened. C. frigga: UNH with one silvery spot. C. thore: silvery or white spots on UNH absent.

 

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