Test PB Collection: FTE

Summary of Heterobasidion Root Disease (Heterobasidion occidentale and Heterobasidion irregulare), trees affected by it, management strategies, along with pests and pathogens with similar display of symptoms on trees.

Summary of Green Spruce Aphid (Elatobium abietinum), trees affected by it, management strategies, along with pests and pathogens with similar display of symptoms on trees.

Summary of flatheaded fir borers (Phaenops drummondii), trees affected by them, management strategies, along with pests and pathogens with similar symptoms

Summary of Douglas-fir beetle (Dendroctonus pseudotsugae), trees affected by them, management strategies, along with pests and pathogens with similar symptoms

Summary of Black Stain Root Disease (Leptographium wagneri), trees affected by them, management strategies, along with pests and pathogens with a similar display of symptoms on trees

Summary of Armillaria Root Disease (Armillaria spp), trees affected by them, management strategies, along with pests and pathogens with similar display of symptoms on trees

Summary of Douglas-fir Dwarf Mistletoe (Arceuthobium douglasii), trees affected by them, management strategies, along with pests and pathogens with similar display of symptoms on trees

Summary of Douglas-fir Pole Beetle (Pseudohylesinus nebulosus), trees affected by them, management strategies, along with pests and pathogens with similar symptoms.

Summary of Douglas-fir Engraver Beetle (Scolytus unispinosus), trees affected by them, management strategies, along with pests and pathogens with similar display of symptoms on trees

Summary of Douglas-fir Twig Weevil (Cylindrocopturus furnissi), trees affected by them, management strategies, along with pests and pathogens with similar display of symptoms on trees