Host Plants
confirmed
LikelyPacific Silver Fir
Abies amabilis
Subalpine Fir
Abies lasiocarpa
Box Elder
Acer negundo
Gray Alder
Alnus incana
Red Alder
Alnus rubra
Red Osier Dogwood
Cornus sericea
Sitka Spruce
Picea sitchensis
Lodgepole Pine
Pinus contorta
Western White Pine
Pinus monticola
Quaking Aspen
Populus tremuloides
Chokecherry
Prunus virginiana
Douglas Fir
Pseudotsuga menziesii
Russet Buffaloberry
Shepherdia canadensis
Western Red Cedar
Thuja plicata
Western Hemlock
Tsuga heterophylla
Balsam Fir
Abies concolor
Grand Fir
Abies grandis
Balsam Fir
Abies magnifica
Vine Maple
Acer circinatum
Big Leaf Maple
Acer macrophyllum
Mountain Alder
Alnus incana ssp. tenuifolia
White Alder
Alnus rhombifolia
Western Columbine
Aquilegia formosa
Brown Dogwood
Cornus glabrata
Pacific Dogwood
Cornus nuttallii
Western Dogwood
Cornus sericea ssp. occidentalis
Creek Dogwood
Cornus sericea ssp. sericea
Miner's Dogwood
Cornus sessilis
Burning Bush
Euonymus occidentalis
Western Burning Bush
Euonymus occidentalis var. occidentalis
Oregon Ash
Fraxinus latifolia
Pink Honeysuckle
Lonicera hispidula
Black Twinberry
Lonicera involucrata
Twinberry Honeysuckle
Lonicera involucrata var. ledebourii
Oregon Crab Apple
Malus fusca
Knobcone Pine
Pinus attenuata
Bolander's Beach Pine
Pinus contorta ssp. bolanderi
Shore Pine
Pinus contorta ssp. contorta
Jeffrey Pine
Pinus jeffreyi
Sugar Pine
Pinus lambertiana
Bishop Pine
Pinus muricata
Ponderosa Pine
Pinus ponderosa
Monterey Pine
Pinus radiata
Black Cottonwood
Populus trichocarpa
Bitter Cherry
Prunus emarginata
Klamath Plum
Prunus subcordata
Western Chokecherry
Prunus virginiana var. demissa
Coast Douglas Fir
Pseudotsuga menziesii var. menziesii
Canyon Live Oak
Quercus chrysolepis
Leather Oak
Quercus durata
Garry's Oak
Quercus garryana
Garry's Oak
Quercus garryana var. breweri
Oregon White Oak
Quercus garryana var. garryana
Black Oak
Quercus kelloggii
Huckleberry Oak
Quercus vacciniifolia
Interior Live Oak
Quercus wislizeni
Stink Currant
Ribes bracteosum
Hillside Gooseberry
Ribes californicum
Spreading Gooseberry
Ribes divaricatum
Straggly Gooseberry
Ribes divaricatum var. pubiflorum