Pathogenic fungi associated with a bark beetle on alpine fir. The western balsam bark beetle. The western balsam bark beetle, Dryocoetes confusus Swaine. Impact and semiochemical based management. Simon Fraser University.
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Adult balsam bark beetle, Dryocoetes confusus. Galleries of balsam bark beetle. Tree recently killed by balsam bark beetle complex. Extensive mortality due to balsam bark beetle complex. Pocket of trees killed by balsam bark beetle.