Minor pest to
Abies alba (Silver fir)
Abies balsamea (Balsam Fir)
Abies concolor (Colorado Fir)
Abies grandis (Grand Fir)
Abies lasiocarpa (Subalpine Fir)
Abies magnifica (Californian Red Fir)
Abies procera (Noble Fir)
Abies sachalinensis (Sakhalin Fir)
Alnus incana (Grey Alder)
Betula pendula (Silver Birch)
Calluna vulgaris (Heather)
Juniperus communis (Juniper)
Pinus koraiensis (Korean Nut Pine)
Pinus ponderosa (Ponderosa Pine)
Pinus sylvestris (Scot's Pine)