Host Plants
confirmed
LikelyBox Elder
Acer negundo
Buckbrush
Ceanothus cuneatus
California Yerba Santa
Eriodictyon californicum
Quaking Aspen
Populus tremuloides
Chokecherry
Prunus virginiana
Douglas Fir
Pseudotsuga menziesii
Coast Live Oak
Quercus agrifolia
Blue Oak
Quercus douglasii
Black Oak
Quercus kelloggii
Valley Oak
Quercus lobata
Interior Live Oak
Quercus wislizeni
Arroyo Willow
Salix lasiolepis
Santa Lucia Fir
Abies bracteata
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
Vine Maple
Acer circinatum
Rocky Mountain Maple
Acer glabrum
Mountain Maple
Acer glabrum var. glabrum
Big Leaf Maple
Acer macrophyllum
California Buckeye
Aesculus californica
Abrams' Allium
Allium abramsii
Taper Tipped Onion
Allium acuminatum
Narrow Leaved Onion
Allium amplectens
Twin Leaved Onion
Allium anceps
Dark Red Onion
Allium atrorubens
Great Basin Onion
Allium atrorubens var. atrorubens
Twin Crest Onion
Allium bisceptrum
Bolander's Onion
Allium bolanderi
Burlew's Onion
Allium burlewii
Sierra Onion
Allium campanulatum
Cascade Onion
Allium cratericola
Crinkled Onion
Allium crispum
Toothed Wild Onion
Allium denticulatum
Diablo Onion
Allium diabolense
Coast Onion
Allium dichlamydeum
Scytheleaf Onion
Allium falcifolium
Fringed Onion
Allium fimbriatum
Fringed Onion
Allium fimbriatum var. fimbriatum
Red-skinned Onion
Allium haematochiton
Howell's Onion
Allium howellii
Howell's Onion
Allium howellii var. howellii
Glassy Onion
Allium hyalinum
Jepson's Onion
Allium jepsonii
Pitted Onion
Allium lacunosum
Pitted Onion
Allium lacunosum var. davisiae
Kern's Pitted Onion
Allium lacunosum var. kernense
Pitted Onion
Allium lacunosum var. lacunosum
Pitted Onion
Allium lacunosum var. micranthum
Lemmon's Onion
Allium lemmonii
Yucaipa Onion
Allium marvinii
Papery Onion
Allium membranaceum
Munz's Onion
Allium munzii
Red Sierra Onion
Allium obtusum
Red Sierra Onion
Allium obtusum var. conspicuum
Red Sierra Onion
Allium obtusum var. obtusum
Parry's Onion
Allium parryi
Small Onion
Allium parvum