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 ...
It is a small (1.5-3.5 mm) and round beetle with elytra (wing cases) clothed with white, golden-yellow and black scales forming a variegated pattern of white, orange and black patches. The legs are ...
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