Host Plants
confirmed
LikelyRed Alder
Alnus rubra
Rocky Mountain Maple
Acer glabrum
Rocky Mountain Maple
Acer glabrum var. diffusum
Mountain Maple
Acer glabrum var. glabrum
Big Leaf Maple
Acer macrophyllum
Box Elder
Acer negundo
Gray Alder
Alnus incana
Mountain Alder
Alnus incana ssp. tenuifolia
White Alder
Alnus rhombifolia
Western Serviceberry
Amelanchier alnifolia
Glabrous Serviceberry
Amelanchier alnifolia var. pumila
Pacific Serviceberry
Amelanchier alnifolia var. semiintegrifolia
Pale Serviceberry
Amelanchier pallida
Service Berry
Amelanchier utahensis
Fremont Cottonwood
Populus fremontii
Fremont Cottonwood
Populus fremontii ssp. fremontii
Quaking Aspen
Populus tremuloides
Black Cottonwood
Populus trichocarpa
Booth's Willow
Salix boothii
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
Jepson's Willow
Salix jepsonii
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
Sierra Willow
Salix orestera
Alpine Willow
Salix petrophila
Tea Leaved Willow
Salix planifolia
Mackenzie's Willow
Salix prolixa
Scouler's Willow
Salix scouleriana
Sitka Willow
Salix sitchensis
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