Host Plants
confirmed
LikelyDouglas Fir
Pseudotsuga menziesii
Western Hemlock
Tsuga heterophylla
Balsam Fir
Abies concolor
Grand Fir
Abies grandis
Balsam Fir
Abies magnifica
California Red Fir
Abies magnifica var. magnifica
Shasta Red Fir
Abies magnifica var. shastensis
Incense Cedar
Calocedrus decurrens
Oregon Boxwood
Paxistima myrsinites
Dwarf Pine
Pinus albicaulis
Knobcone Pine
Pinus attenuata
Lodgepole Pine
Pinus contorta
Shore Pine
Pinus contorta ssp. contorta
Tamarack Pine
Pinus contorta ssp. murrayana
Coulter Pine
Pinus coulteri
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
Parry Pinyon Pine
Pinus quadrifolia
Monterey Pine
Pinus radiata
Foothill Pine
Pinus sabiniana
Bigcone Douglas Fir
Pseudotsuga macrocarpa
Coast Douglas Fir
Pseudotsuga menziesii var. menziesii
Antelope Bitterbrush
Purshia tridentata
Desert Bitterbrush
Purshia tridentata var. glandulosa
Antelope Bitterbrush
Purshia tridentata var. tridentata
Bitter Gooseberry
Ribes amarum
Golden Currant
Ribes aureum
Golden Currant
Ribes aureum var. aureum
Golden Currant
Ribes aureum var. gracillimum
Stink Currant
Ribes bracteosum
Hillside Gooseberry
Ribes californicum
Hillside Gooseberry
Ribes californicum var. californicum
Hillside Gooseberry
Ribes californicum var. hesperium
Wax Currant
Ribes cereum
Wax Currant
Ribes cereum var. cereum
Spreading Gooseberry
Ribes divaricatum
Parish's Gooseberry
Ribes divaricatum var. parishii
Straggly Gooseberry
Ribes divaricatum var. pubiflorum
White Flowering Currant
Ribes indecorum
Whitestem Gooseberry
Ribes inerme
Whitestem Gooseberry
Ribes inerme var. inerme
Whitestem Gooseberry
Ribes inerme var. klamathense
Prickly Currant
Ribes lacustre
Woolly-flowered Gooseberry
Ribes lasianthum
Chaparral Currant
Ribes malvaceum
Chaparral Currant
Ribes malvaceum var. malvaceum
Chaparral Currant
Ribes malvaceum var. viridifolium
Canyon Gooseberry
Ribes menziesii
Canyon Gooseberry
Ribes menziesii var. menziesii
Alpine Prickly Currant
Ribes montigenum
Sierra Currant
Ribes nevadense
Rock Gooseberry
Ribes quercetorum
Sierra Gooseberry
Ribes roezlii
Hoary Gooseberry
Ribes roezlii var. amictum