Western pine elfin

  • Latin name: Callophrys eryphon (Boisduval)
  • French name:
  • Order: Lepidoptera
  • Family: Lycaenidae
  • Synonym(s): Incisalia eryphon eryphon Boisduval


Quebec, Alberta, British Columbia, Northwest Territories



Damage, symptoms and biology

The western pine elfin is innocuous and rather uncommon.

Mature larva to 15 mm long. Head, green unmarked; body velvet green with cream to yellowish white subdorsal and subspiracular stripes. Body and head covered with short fine hairs.

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

Life cycle (West of the Rockies)

Life cycle (West of the Rockies)
Stage/Month J F M A M J J A S O N D

Canadian Forest Service Publications

Western pine elfin

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)

Main host(s)

Eastern white pine, jack pine, ponderosa pine, shore pine

  • Western pine elfin Dorso-lateral view of mature larva, on lodgepole pine
  • Western pine elfin Lateral view of mature larva, on lodgepole pine
  • Western pine elfin
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