Host Plants
confirmed
LikelyQuaking Aspen
Populus tremuloides
Gray Alder
Alnus incana
Mountain Alder
Alnus incana ssp. tenuifolia
White Alder
Alnus rhombifolia
Red Alder
Alnus rubra
Western Serviceberry
Amelanchier alnifolia
Glabrous Serviceberry
Amelanchier alnifolia var. pumila
Pacific Serviceberry
Amelanchier alnifolia var. semiintegrifolia
Pale Serviceberry
Amelanchier pallida
Service Berry
Amelanchier utahensis
Knobcone Pine
Pinus attenuata
Lodgepole Pine
Pinus contorta
Tamarack Pine
Pinus contorta ssp. murrayana
Coulter Pine
Pinus coulteri
Jeffrey Pine
Pinus jeffreyi
Sugar Pine
Pinus lambertiana
Oneneedle Pinyon Pine
Pinus monophylla
Western White Pine
Pinus monticola
Bishop Pine
Pinus muricata
Ponderosa Pine
Pinus ponderosa
North Plateau Ponderosa Pine
Pinus ponderosa var. ponderosa
Monterey Pine
Pinus radiata
Foothill Pine
Pinus sabiniana
Fremont Cottonwood
Populus fremontii
Fremont Cottonwood
Populus fremontii ssp. fremontii
Black Cottonwood
Populus trichocarpa
Booth's Willow
Salix boothii
Mountain Willow
Salix eastwoodiae
Sandbar Willow
Salix exigua
Narrow-leaved Willow
Salix exigua var. 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
Tea Leaved Willow
Salix planifolia
Mackenzie's Willow
Salix prolixa
Scouler's Willow
Salix scouleriana
Sitka Willow
Salix sitchensis
Douglas's Spirea
Spiraea douglasii
Meadow Sweet
Spiraea splendens
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