Fewer than two percent of North America’s bark beetle species attack trees, but those that do have killed billions of ...

Infestation rates of bark- and wood-boring insects in wooden packing materials decreased by up to 52 percent from 2003 to 2009 after the implementation of International Standards for Phytosanitary ...

In the decades since, the wood-boring ... extinct in North America. In response, researchers are working to identify and develop ash trees genetically able to withstand the beetles' onslaught ...

Army Corps The U.S. Army Corps of Engineers, St. Paul District, proposes to release three insect species, known as stingless wasps, to control the spread of the emerald ash borer ...

This bird inhabits dense, mature and old-growth boreal and montane coniferous forests throughout northern North America. But the woodpecker prefers its mature and old-growth trees to be snags — ...

In the decades since, the wood-boring beetle has spread east and west ... threatening to make the tree species functionally extinct in North America. In response, researchers at Penn State are ...