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Columnocystis abietina
( Wound Parasites )Echinodontium tinctorium
( Brown Stringy Trunk Rot )Fomitopsis pinicola
( Brown Crumbly Rot )Fusarium oxysporum
( Fusarium Root Rot )Ganoderma applanatum
( White Mottled Rot )Lambdina fiscellaria
( Western Hemlock Looper )Lymantria dispar
( Gypsy Moth )Malacosoma californicum
( Northern Tent Caterpillar )Malacosoma disstria
( Forest Tent Caterpillar )Melanolophia imitata
( Green-striped Forest Looper )Phellinus pini
( Red Ring Rot )Phellinus tremulae
( Aspen Trunk Rot )Stereum sanguinolentum
( Red Heart Rot )