Host Plants
confirmed
LikelyPacific Silver Fir
Abies amabilis
Grand Fir
Abies grandis
Subalpine Fir
Abies lasiocarpa
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
Balsam Fir
Abies concolor
Balsam Fir
Abies magnifica
California Red Fir
Abies magnifica var. magnifica
Shasta Red Fir
Abies magnifica var. shastensis
Western Serviceberry
Amelanchier alnifolia
Glabrous Serviceberry
Amelanchier alnifolia var. pumila
Pacific Serviceberry
Amelanchier alnifolia var. semiintegrifolia
Pale Serviceberry
Amelanchier pallida
Service Berry
Amelanchier utahensis
Little Leaf Mountain Laurel
Kalmia polifolia
Dwarf Pine
Pinus albicaulis
Knobcone Pine
Pinus attenuata
Shore Pine
Pinus contorta ssp. contorta
Tamarack Pine
Pinus contorta ssp. murrayana
Jeffrey Pine
Pinus jeffreyi
Sugar Pine
Pinus lambertiana
Oneneedle Pinyon Pine
Pinus monophylla
Ponderosa Pine
Pinus ponderosa
North Plateau Ponderosa Pine
Pinus ponderosa var. ponderosa
Coast Douglas Fir
Pseudotsuga menziesii var. menziesii
Booth's Willow
Salix boothii
Brewer's Willow
Salix breweri
Mountain Willow
Salix eastwoodiae
Sandbar Willow
Salix exigua
Sandbar Willow
Salix exigua var. hindsiana
Geyer's Willow
Salix geyeriana
Jepson's Willow
Salix jepsonii
Red Willow
Salix laevigata
Shining Willow
Salix lasiandra
Tail-leaf Willow
Salix lasiandra var. caudata
Yellow Willow
Salix lasiandra var. lasiandra
Arroyo Willow
Salix lasiolepis
Lemmon's Willow
Salix lemmonii
Tongueleaf Willow
Salix ligulifolia
Yellow Willow
Salix lutea
Dusky Willow
Salix melanopsis
Sierra Willow
Salix orestera
Alpine Willow
Salix petrophila
Tea Leaved Willow
Salix planifolia
Mackenzie's Willow
Salix prolixa
Scouler's Willow
Salix scouleriana
Sitka Willow
Salix sitchensis
Pacific Yew
Taxus brevifolia
Huckleberry
Vaccinium cespitosum
Cascade Bilberry
Vaccinium deliciosum
Thin Leaf Huckleberry
Vaccinium membranaceum
Red Huckleberry
Vaccinium parvifolium
Blueberry
Vaccinium uliginosum
Western Blueberry
Vaccinium uliginosum ssp. occidentale
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