Host Plants
confirmed
LikelyWestern Labrador Tea
Rhododendron columbianum
Pacific Rhododendron
Rhododendron macrophyllum
Western Labrador Tea
Rhododendron neoglandulosum
Western Azalea
Rhododendron occidentale
Western Azalea
Rhododendron occidentale var. paludosum
Sierran Dwarf Rose
Rosa bridgesii
California Wildrose
Rosa californica
Wood Rose
Rosa gymnocarpa
Dwarf Rose
Rosa gymnocarpa var. gymnocarpa
Nootka Rose
Rosa nutkana
Pine Rose
Rosa pinetorum
Swamp Rose
Rosa pisocarpa
Ahart Rose
Rosa pisocarpa ssp. ahartii
Ground Rose
Rosa spithamea
Woods' Rose
Rosa woodsii
Woods' Rose
Rosa woodsii ssp. ultramontana
Western Raspberry
Rubus leucodermis
Thimbleberry
Rubus parviflorus
Salmon Berry
Rubus spectabilis
California Blackberry
Rubus ursinus
Brewer's Willow
Salix breweri
Mountain Willow
Salix eastwoodiae
Sandbar Willow
Salix exigua
Sandbar Willow
Salix exigua var. hindsiana
Geyer's Willow
Salix geyeriana
Goodding's Black Willow
Salix gooddingii
Coastal Willow
Salix hookeriana
Red Willow
Salix laevigata
Shining Willow
Salix lasiandra
Tail-leaf Willow
Salix lasiandra var. caudata
Yellow Willow
Salix lasiandra var. lasiandra
Arroyo Willow
Salix lasiolepis
Lemmon's Willow
Salix lemmonii
Tongueleaf Willow
Salix ligulifolia
Yellow Willow
Salix lutea
Dusky Willow
Salix melanopsis
Mackenzie's Willow
Salix prolixa
Scouler's Willow
Salix scouleriana
Sitka Willow
Salix sitchensis
Blue Elderberry
Sambucus mexicana
Black Elderberry
Sambucus nigra
Red Elderberry
Sambucus racemosa
Mountain Red Elderberry
Sambucus racemosa var. racemosa
California Mountain Ash
Sorbus californica
Mountain Ash
Sorbus scopulina
Western Mountain Ash
Sorbus sitchensis
Huckleberry
Vaccinium cespitosum
Evergreen Huckleberry
Vaccinium ovatum
Red Huckleberry
Vaccinium parvifolium