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Western pine elfin

Distribution

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.

Canadian Forest Service Publications

Western pine elfin

Information on host(s)

Main host(s)

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

Photos

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