Skip Navigation

Species Search:
FieldGuidesthreatened and/or endangered search resultsthreatened and/or endangered


Cranberry Blue Vacciniina optilete


enlarge +

Cranberry Blue
credit: Geiserich77/CCSA

All Images


Get Our Newsletters


Advanced Search

Family: Lycaenidae, Gossamer-wing Butterflies view all from this family

Description The Cranberry Blue (Plebejus optilete) is a butterfly of the Lycaenidae family. It is found in North Eastern Europe, the Alps, North Asia, Japan, Korea and North Western North America.

The length of the forewings is ca. 14 mm. The butterfly flies from June to August depending on the location.

The larvae feed on Vaccinium oxycoccos, Empetrum nigrum, Bilberry and other Cranberry and Empetrum species.

Dimensions 3/4-7/8" (19-22 mm).

Habitat Forests & woodlands, Freshwater swamps, marshes & bogs, Arctic habitats.

Range Western Canada, Alaska.