Barry’s hairstreak

• Scientific name: Callophrys grynea barryi (Johnson)
• Kingdom: Animalia
• Phylum: Arthropoda
• Class: Insecta
• Order: Lepidoptera
• Family: Lycaenidae

Distribution

• British Columbia

This species is distributed throughout the host range in British Columbia south of 53⁰ latitude including Vancouver Island; it also extends to Oregon.

Damage, symptoms and biology

Barry’s hairstreak is a rather uncommon innocuous solitary defoliator.

Mature larva up to 15 mm long. Head, green unmarked; body velvet green with cream to yellowish white subdorsal markings on each segment, white subspiracular stripe with uneven upper margin. Body and head covered with short fine hairs.

This species overwinters in the pupal stage. Adults emerge from May to early June; females lay eggs near branch tips. Larvae are present from June to July; pupation occurs from late July to August.

Canadian Forest Service Publications

Barry’s hairstreak

Diet and feeding behaviour

• Phyllophagous: Feeds on the leaves of plants.
  • Free-living defoliator: Feeds on and moves about freely on foliage.

Information on host(s)

Barry’s hairstreak is restricted to Rocky Mountain juniper.

Main host(s)

• Rocky Mountain juniper

Photos

Dion Manastyrski Centre de foresterie du Pacifique, Victoria (Colombie-Britannique) / Pacific Forestry Centre, Victoria, British Columbia

Dion Manastyrski Centre de foresterie du Pacifique, Victoria (Colombie-Britannique) / Pacific Forestry Centre, Victoria, British Columbia

Dion Manastyrski Centre de foresterie du Pacifique, Victoria (Colombie-Britannique) / Pacific Forestry Centre, Victoria, British Columbia