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confirmed
Likely
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Host Plants
confirmed LikelyLodgepole Pine
Pinus contorta
Western White Pine
Pinus monticola
Gray Alder
Alnus incana
Mountain Alder
Alnus incana ssp. tenuifolia
White Alder
Alnus rhombifolia
Red Alder
Alnus rubra
Black Hawthorn
Crataegus douglasii
Dwarf Pine
Pinus albicaulis
Knobcone Pine
Pinus attenuata
Shore Pine
Pinus contorta ssp. contorta
Tamarack Pine
Pinus contorta ssp. murrayana
Coulter Pine
Pinus coulteri
Jeffrey Pine
Pinus jeffreyi
Sugar Pine
Pinus lambertiana
Oneneedle Pinyon Pine
Pinus monophylla
Bishop Pine
Pinus muricata
Ponderosa Pine
Pinus ponderosa
North Plateau Ponderosa Pine
Pinus ponderosa var. ponderosa
Monterey Pine
Pinus radiata
Foothill Pine
Pinus sabiniana
Douglas Fir
Pseudotsuga menziesii
Coast Douglas Fir
Pseudotsuga menziesii var. menziesii
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