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

Scientific name: Stenoporpia pulmonaria satisfacta (Barnes and McDunnough)
Kingdom: Animalia
Phylum: Arthropoda
Class: Insecta
Order: Lepidoptera
Family: Geometridae

Distribution

British Columbia

This species is generally distributed throughout the southern interior of British Columbia; it also occurs south to California.

Damage, symptoms and biology

Stenoporpia pulmonaria satisfacta is a common innocuous solitary defoliator.

Mature larva up to 35 mm long. Head, light grey with black markings. Body, rusty grey variously marked; cream coloured T markings on dorum near posterior margin of each segment.

This species overwinters as a mid-instar larva. Larval feeding resumes in the spring and continues until June. Pupation occurs in June or July; adults emerge in July or August, mate and lay eggs. Larvae emerge soon after and feed until the onset of cooler weather in fall.

Canadian Forest Service Publications

https://cfs.nrcan.gc.ca/publications/search?q=

Information on host(s)

The principal host of Stenoporpia pulmonaria satisfacta is Douglas-fir; other hosts include ponderosa pine and western hemlock.

Main host(s)

Ponderosa pine, Rocky Mountain Douglas-fir, western hemlock

Photos

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

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