Host Plants
confirmed
LikelyCalifornia Ash
Fraxinus dipetala
Oregon Ash
Fraxinus latifolia
Velvet Ash
Fraxinus velutina
Southern California Black Walnut
Juglans californica
Northern California Black Walnut
Juglans hindsii
Fremont Cottonwood
Populus fremontii
Fremont Cottonwood
Populus fremontii ssp. fremontii
Quaking Aspen
Populus tremuloides
Black Cottonwood
Populus trichocarpa
Bitter Cherry
Prunus emarginata
Hollyleaf Cherry
Prunus ilicifolia
Klamath Plum
Prunus subcordata
Klamath Plum
Prunus subcordata var. subcordata
Chokecherry
Prunus virginiana
Western Chokecherry
Prunus virginiana var. demissa
Coast Live Oak
Quercus agrifolia
Coast Live Oak
Quercus agrifolia var. agrifolia
Scrub Oak
Quercus berberidifolia
Canyon Live Oak
Quercus chrysolepis
Blue Oak
Quercus douglasii
Nuttall's Scrub Oak
Quercus dumosa
Leather Oak
Quercus durata
Leather Oak
Quercus durata var. durata
Garry's Oak
Quercus garryana
Garry's Oak
Quercus garryana var. breweri
Oregon White Oak
Quercus garryana var. garryana
Oregon White Oak
Quercus garryana var. semota
Black Oak
Quercus kelloggii
Valley Oak
Quercus lobata
Huckleberry Oak
Quercus vacciniifolia
Interior Live Oak
Quercus wislizeni
Interior Live Oak
Quercus wislizeni var. frutescens
Interior Live Oak
Quercus wislizeni var. wislizeni
California Mountain Ash
Sorbus californica
Mountain Ash
Sorbus scopulina
Western Mountain Ash
Sorbus sitchensis
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