Vacciniina optilete (Knoch, 1781) (= Polyommatus optilete) -Cranberry Blue.
Range: the northern Euroasia southwards to the mountains of Mongolia, Korea, and Japan, NW North America.
ssp.: sibirica Staudinger, 1892; range: N Ural, Siberia, the northern Far East.
A very slight tundrous ridge surrounded with peat-moss marches few km of the western coast of the southernmost Kamchatka at the abandoned settlement Bol'sheretsk. 6th August 1992. O. Kosterin