Intertaxon relationships
species
White Fir
Abies concolor (Gordon & Glend.) Lindl. ex Hildebr.
Cinara curvipes (Patch, 1912) 
Dicentrus bluthneri LeConte, 1880
Etorofus anthracinus (LeConte, 1875)
Molorchus eburneus Linsley, 1931
Neoclytus nubilus Linsley, 1933
Poliaenus oregonus (LeConte, 1861)
Semanotus litigiosus (Casey, 1891)