This variability could inform the development of hardier ash trees, resistant to both the invasive beetles and rising ...

In the decades since, the wood-boring beetle has spread east and west across ... Tree Molecular Genetics focused research efforts on Oregon ash (Fraxinus latifolia), a species that plays a ...

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 ... of the black-backed woodpecker, one in Oregon 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 ...