Host Plants
confirmed
LikelyLodgepole Pine
Pinus contorta
Quaking Aspen
Populus tremuloides
Douglas Fir
Pseudotsuga menziesii
Russet Buffaloberry
Shepherdia canadensis
Gray Alder
Alnus incana
Mountain Alder
Alnus incana ssp. tenuifolia
White Alder
Alnus rhombifolia
Red Alder
Alnus rubra
Water Birch
Betula occidentalis
Dwarf Pine
Pinus albicaulis
Knobcone Pine
Pinus attenuata
Foxtail Pine
Pinus balfouriana
Bolander's Beach Pine
Pinus contorta ssp. bolanderi
Tamarack Pine
Pinus contorta ssp. murrayana
Limber Pine
Pinus flexilis
Jeffrey Pine
Pinus jeffreyi
Sugar Pine
Pinus lambertiana
Oneneedle Pinyon Pine
Pinus monophylla
Western White Pine
Pinus monticola
Bishop Pine
Pinus muricata
Ponderosa Pine
Pinus ponderosa
North Plateau Ponderosa Pine
Pinus ponderosa var. ponderosa
Monterey Pine
Pinus radiata
Foothill Pine
Pinus sabiniana
Fremont Cottonwood
Populus fremontii
Fremont Cottonwood
Populus fremontii ssp. fremontii
Black Cottonwood
Populus trichocarpa
Coast Douglas Fir
Pseudotsuga menziesii var. menziesii
Bitter Gooseberry
Ribes amarum
Golden Currant
Ribes aureum
Golden Currant
Ribes aureum var. aureum
Stink Currant
Ribes bracteosum
Hillside Gooseberry
Ribes californicum
Hillside Gooseberry
Ribes californicum var. californicum
Wax Currant
Ribes cereum
Wax Currant
Ribes cereum var. cereum
Spreading Gooseberry
Ribes divaricatum
Straggly Gooseberry
Ribes divaricatum var. pubiflorum
White Flowering Currant
Ribes indecorum
Whitestem Gooseberry
Ribes inerme
Whitestem Gooseberry
Ribes inerme var. inerme
Prickly Currant
Ribes lacustre
Woolly-flowered Gooseberry
Ribes lasianthum
Chaparral Currant
Ribes malvaceum
Chaparral Currant
Ribes malvaceum var. malvaceum
Canyon Gooseberry
Ribes menziesii
Alpine Prickly Currant
Ribes montigenum
Sierra Currant
Ribes nevadense
Sierra Gooseberry
Ribes roezlii
Hoary Gooseberry
Ribes roezlii var. amictum
Sierra Gooseberry
Ribes roezlii var. roezlii
Red Flowering Currant
Ribes sanguineum
Pink-flowering Currant
Ribes sanguineum var. glutinosum
Fuchsiaflower Gooseberry
Ribes speciosum
Desert Gooseberry
Ribes velutinum
Victor's Gooseberry
Ribes victoris
Hall's Sticky Currant
Ribes viscosissimum
Booth's Willow
Salix boothii
Shortfruit Willow
Salix brachycarpa
Short-fruited Willow
Salix brachycarpa var. brachycarpa