In the decades since, the wood-boring beetle has spread east and west across ... The genetic makeup of the trees that stretch from California to British Columbia varies, the researchers found ...

But the woodpecker prefers its mature and old-growth trees to be snags — because it loves to eat the wood-boring beetles that flock to large dead ... Unfortunately, the U.S. Forest Service and ...

The invasive emerald ash borer, according to the U.S. Department of Agriculture, was first found in the United States in southeast Michigan in 2002. In the decades ...