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confirmed
Likely
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Host Plants
confirmed LikelyMackenzie's Willow
Salix prolixa
Scouler's Willow
Salix scouleriana
Sitka Willow
Salix sitchensis
Blue Elderberry
Sambucus mexicana
Red Elderberry
Sambucus racemosa
Black Elderberry
Sambucus racemosa var. melanocarpa
Mountain Red Elderberry
Sambucus racemosa var. racemosa
Douglas's Spirea
Spiraea douglasii
Meadow Sweet
Spiraea splendens
Huckleberry
Vaccinium cespitosum
Cascade Bilberry
Vaccinium deliciosum
Thin Leaf Huckleberry
Vaccinium membranaceum
Blueberry
Vaccinium uliginosum
Western Blueberry
Vaccinium uliginosum ssp. occidentale