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 since, the wood-boring beetle has ...

Above: Nick Shipley, left, co-owner of Civano Nursery, discusses an Arizona ash tree with Viktoriya Popenko during Pima Smartscape’s 2018 Sustainable Landscapes Expo. Civano brought 100 trees to give ...

As emerald ash borer (EAB) infestation continues its march across the continent, Don Kinzler shares the distinctive identifying characteristics of an ash tree.

Samples for the study were collected by researchers from Penn State, the Forest Service and other partners around the Oregon ash range, extending from California, Oregon and Washington into British ...