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Host Plants

confirmed

Likely
Pacific Silver Fir
Abies amabilis
Subalpine Fir
Abies lasiocarpa
Western Serviceberry
Amelanchier alnifolia
Engelmann Spruce
Picea engelmannii
Sitka Spruce
Picea sitchensis
Lodgepole Pine
Pinus contorta
Western White Pine
Pinus monticola
Douglas Fir
Pseudotsuga menziesii
Western Red Cedar
Thuja plicata
Western Hemlock
Tsuga heterophylla
Mountain Hemlock
Tsuga mertensiana