How To Use Spruce bark beetle In A Sentence

• the spruce bark beetle is the major tree-killing insect pest of Alaska spruce forests
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• Spruce bark beetles were after the spruce trees and fir engraver beetles were killing subalpine fir trees. Bird Cloud
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• Host trees that are under stress, including either climate stress or stress from mechanical breakage, have reduced growth reserves, less pitch, and lower turgor pressure, and so are less able to resist spruce bark beetle attacks. Climate change and insects as a forest disturbance in the Arctic
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