The mountain pine beetle is a small, black beetle about the size of a grain of rice. Mountain pine beetle attack and kill all species of pine, usually mature ones aged 80 to 120 years. They do not attack aspen, spruce or fir trees.
Beetles fly in July and August in search of new trees. Once a suitable tree is found the beetle will lay eggs. The new generation of beetles will not emerge from the tree for at least a year.
Creamy globs that look like crystallized honey and sawdust at the base of the tree and in bark crevices are signs your tree has been attacked. Control of the mountain pine beetle is usually done through cutting and burning of the individual infested trees.
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