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LEPIDOPTERA

Erebia kozhantshikovi Sheljuzhko, 1925
   Erebia kozhantshikovi   Sheljuzhko, 1925

· TYPE LOCALITY. "...in der Bergkette Dzhugdzhur, an den Quellen des Flusses Dzhelinda..." [Dzhelinda River, Dzhugdzhur Range, Transbaikalia].

· RANGE. From Transbaikalia to the Chukot Peninsula; N. Mongolia.

· DISTRIBUTION AND VARIATION. A little-known high-altitude species of Trans-baikalia and the Far East.

· HABITAT AND BIOLOGY. Stony slopes and screes at 2,000-3,000 m a.s.l. Flight period: June-July.

· SIMILAR SPECIES. E. dabanensis, E. fletcheri: UNF ochreous-yellow band well-defined, slightly separated by veins; UNH with a sharp postdiscal band. E. occulta: FW band on both sides represented by diffuse ochreous-yellow spots or stripes; UNH without sharply defined postdiscal band.

Table 1. Comparative features of the dabanensis-group males

Features

Dabanensis

Kozhantschikovi

Occulta

Troubridgei

Fletcheri

UPF band

consists of separate spots

consists of separate spots

consists of separate spots

consists of separate reduced spots

broad, well-defined

UPF ocelli

4-5 round ocelli

the first 2 ocelli larger and extended

2-3 oblong ocelli, very small or absent

the first 2 ocelli elongated but not larger the others

4-5 oblong ocelli

UNF band

complete or slightly broken by veins

complete, broken by veins

consists of separate reduced spots

consists of separate spots

complete

UNH band

contrasting against silvery ground colour

contrasting against silvery ground colour

not contrasting

little contrasting

little contras-ting

FW length

21-23 mm

20-22 mm

22-25 mm

20-22 mm

22-24 mm

Photo and text: Guide to the BUTTERFLIES OF RUSSIA and adjacent territories Volume 1. PENSOFT, Sofia - Moscow. 1997