Cone – 1.25”-1.75” long, pendulous and oblong, ranging from violet to blue/black when immature ... weak coning years. Bark – Dark brown, separating into thin, scaly plates on older trees. The point of ...
The spruce bark beetle heads north as biologists and foresters work to slow their destructive spread
It is killing forests filled with mature white spruce trees. The culprit is a tiny bug native to Alaska called the spruce bark beetle. The beetles have already devastated swaths of spruce forest ...
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