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Bramble Hairstreak Callophrys dumetorum


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Bramble Hairstreak
credit: Linda Tanner/CCSA

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

Description The Coastal Green Hairstreak, Bramble Green Hairstreak, or Bluish Green Hairstreak (Callophrys dumetorum) is butterfly of the Lycaenidae family. It is found in coastal California and rarely in inland California. Subspecies oregonensis is known as the Oregon Green Hairstreak.

The wingspan is 25–32 mm. Adults are on wing from March to May in one generation.

Larvae have been recorded on Lotus scoparius, Eriogonum fasciculatum, Eriogonum latifolium, and Eriogonum nudum. Adults feed on flower nectar.

Dimensions 7/8-1 1/8" (22-28 mm).

Habitat Forests & woodlands, Canyons & caves, Meadows & fields, Scrub, shrub & brushlands.

Range California, Rocky Mountains, Northwest, Southwest.