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Columnocystis abietina
( Wound Parasites )Cryptorhynchus lapathi
( Poplar-and-Willow Borer )Fomitopsis pinicola
( Brown Crumbly Rot )Fusarium oxysporum
( Fusarium Root Rot )Ganoderma applanatum
( White Mottled Rot )Hyphantria cunea
( Fall Webworm )Lymantria dispar
( Gypsy Moth )Malacosoma californicum
( Northern Tent Caterpillar )Malacosoma disstria
( Forest Tent Caterpillar )Melampsora spp.
( Melampsora Foliage Rusts )Stereum sanguinolentum
( Red Heart Rot )