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What effect does the brown spruce longhorn beetle have on spruce trees?

April 26, 2017beetle Brown FORESTRY Longhorn red spruce spruce trees

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What effect does the brown spruce longhorn beetle have on spruce trees?

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The beetle’s larvae feed on the inner bark (phloem) of the spruce tree. Although the entire stem can be affected, the lower portion of the tree is typically the most heavily infested. A spruce tree can be killed if heavily infested with BSLB over a number of years.