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Western Hemlock - Tsuga heterophylla

Acleris gloverana
( Western Blackheaded Budworm )

Adelges spp.
( Adelgids )

Arceuthobium spp.
( Dwarf Mistletoes )

Botryosphaeria piceae
( Botryosphaeria Canker of Spruce )

Caripeta divisata
( Gray Spruce Looper )

Choristoneura spp.
( Budworms )

Columnocystis abietina
( Wound Parasites )

Discocainia treleasei
( Discocaninia Canker )

Echinodontium tinctorium
( Brown Stringy Trunk Rot )

Fomitopsis pinicola
( Brown Crumbly Rot )

Fusarium oxysporum
( Fusarium Root Rot )

Ganoderma applanatum
( White Mottled Rot )

Gnathotrichus sulcatus
( Ambrosia Beetles )

Heterobasidion annosum
( Annosus Root Rot and Butt Rot )

Lambdina fiscellaria
( Western Hemlock Looper )

Leptographium wageneri
( Black Stain Root Disease )

Leucostoma kunzei
( Cytospora Canker of Spruce )

Lophocampa argentata
( Silver-spotted Tiger Moth )

Lymantria dispar
( Gypsy Moth )

Melampsora spp.
( Melampsora Foliage Rusts )

Melanolophia imitata
( Green-striped Forest Looper )

Nepytia freemani
( Western False Hemlock Looper )

Oligonychus ununguis
( Spruce Spider Mite )

Phellinus pini
( Red Ring Rot )

Phellinus tremulae
( Aspen Trunk Rot )

Phellinus weirii
( Phellinus (Poria) weirii Root Rot )

Pineus spp.
( Adelgids )

Rhizina undulata
( Rhizina Root Rot )

Scolytus spp.
( Engraver Beetles )

Stereum sanguinolentum
( Red Heart Rot )

Trypodendron lineatum
( Ambrosia Beetle )

Verticicladiella spp.
( Black Stain Root Disease )

Xiphinema bakeri
( Corky Root Disease )