Host Plants
confirmed
LikelyQuaking Aspen
Populus tremuloides
Russet Buffaloberry
Shepherdia canadensis
Gray Alder
Alnus incana
Mountain Alder
Alnus incana ssp. tenuifolia
White Alder
Alnus rhombifolia
Resin Birch
Betula glandulosa
Water Birch
Betula occidentalis
Pacific Dogwood
Cornus nuttallii
Red Osier Dogwood
Cornus sericea
Western Dogwood
Cornus sericea ssp. occidentalis
Creek Dogwood
Cornus sericea ssp. sericea
Miner's Dogwood
Cornus sessilis
Fremont Cottonwood
Populus fremontii
Black Cottonwood
Populus trichocarpa
Desert Peach
Prunus andersonii
Bitter Cherry
Prunus emarginata
Desert Range Almond
Prunus fasciculata
Klamath Plum
Prunus subcordata
Chokecherry
Prunus virginiana
Western Chokecherry
Prunus virginiana var. demissa
Canyon Live Oak
Quercus chrysolepis
Blue Oak
Quercus douglasii
Nuttall's Scrub Oak
Quercus dumosa
Garry's Oak
Quercus garryana
Garry's Oak
Quercus garryana var. breweri
Black Oak
Quercus kelloggii
Huckleberry Oak
Quercus vacciniifolia
Golden Currant
Ribes aureum
Golden Currant
Ribes aureum var. aureum
Hillside Gooseberry
Ribes californicum
Wax Currant
Ribes cereum
Wax Currant
Ribes cereum var. cereum
Spreading Gooseberry
Ribes divaricatum
Whitestem Gooseberry
Ribes inerme
Whitestem Gooseberry
Ribes inerme var. inerme
Woolly-flowered Gooseberry
Ribes lasianthum
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
Desert Gooseberry
Ribes velutinum
Hall's Sticky Currant
Ribes viscosissimum
Sierran Dwarf Rose
Rosa bridgesii
California Wildrose
Rosa californica
Wood Rose
Rosa gymnocarpa
Swamp Rose
Rosa pisocarpa
Ahart Rose
Rosa pisocarpa ssp. ahartii
Woods' Rose
Rosa woodsii
Woods' Rose
Rosa woodsii ssp. ultramontana
Tehachapi Rose
Rosa woodsii var. gratissima
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