Host Plants
confirmed
LikelyBalsam Fir
Abies concolor
Rocky Mountain Maple
Acer glabrum
Mountain Maple
Acer glabrum var. glabrum
Big Leaf Maple
Acer macrophyllum
Box Elder
Acer negundo
California Ash
Fraxinus dipetala
Oregon Ash
Fraxinus latifolia
Chaparral Ash
Fraxinus parryi
Velvet Ash
Fraxinus velutina
Bitter Cherry
Prunus emarginata
Desert Range Almond
Prunus fasciculata
Desert Apricot
Prunus fremontii
Hollyleaf Cherry
Prunus ilicifolia
Hollyleaf Cherry
Prunus ilicifolia ssp. ilicifolia
Catalina Cherry
Prunus ilicifolia ssp. lyonii
Chokecherry
Prunus virginiana
Western Chokecherry
Prunus virginiana var. demissa
Coast Live Oak
Quercus agrifolia
Coast Live Oak
Quercus agrifolia var. agrifolia
Coastal Live Oak
Quercus agrifolia var. oxyadenia
Alvord Oak
Quercus alvordiana
Scrub Oak
Quercus berberidifolia
Cedros Island Oak
Quercus cedrosensis
Canyon Live Oak
Quercus chrysolepis
Muller Oak
Quercus cornelius-mulleri
Blue Oak
Quercus douglasii
Nuttall's Scrub Oak
Quercus dumosa
Leather Oak
Quercus durata
Leather Oak
Quercus durata var. durata
San Gabriel Oak
Quercus durata var. gabrielensis
Engelmann Oak
Quercus engelmannii
Tucker's Oak
Quercus john-tuckeri
Black Oak
Quercus kelloggii
Valley Oak
Quercus lobata
Macdonald Oak
Quercus macdonaldii
Desert Oak
Quercus palmeri
Santa Cruz Island Oak
Quercus parvula
Santa Cruz Island Oak
Quercus parvula var. parvula
Shreve Oak
Quercus parvula var. shrevei
Grey Oak
Quercus turbinella
Interior Live Oak
Quercus wislizeni
Interior Live Oak
Quercus wislizeni var. frutescens
Interior Live Oak
Quercus wislizeni var. wislizeni
Bitter Gooseberry
Ribes amarum
Golden Currant
Ribes aureum
Golden Currant
Ribes aureum var. gracillimum
Hillside Gooseberry
Ribes californicum
Hillside Gooseberry
Ribes californicum var. californicum
Hillside Gooseberry
Ribes californicum var. hesperium
Moreno Currant
Ribes canthariforme
Wax Currant
Ribes cereum
Spreading Gooseberry
Ribes divaricatum
Parish's Gooseberry
Ribes divaricatum var. parishii
Straggly Gooseberry
Ribes divaricatum var. pubiflorum
White Flowering Currant
Ribes indecorum
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