Cranberry Blue (Vacciniina optilete [Knoch])
Wing span: 7/8 - 1 inch (2.2 - 2.5).
Identification: Upperside violet blue, female marked with dark scales. Underside of both wings withstrong black postmedian spot rows; hindwing with 1 black edged orange submarginal spot near anal angle.
Life history: Not reported.
Flight: One flight from mid-June to mid-August.
Caterpillar hosts: Cranberries and low blueberries (Vaccinium spp.)
Habitat: Spruce bogs in taiga and tundra.
Range: Holarctic. In North America the species ranges from Alaska eastward through central Northwest territories and southward into the northern reaches of British Columbia, Alberta, Saskatchewan, and Manitoba.
