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

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)

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

Main host(s)

Photos

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

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