Second is the tree of heaven, an invasive tree that was introduced to the U.S. by European colonists in the 1700s and then by immigrants on the West Coast more than a century later. It has since ...

Abilene has 105 ash trees on public property. In the near future, those trees and more will most likely be killed by the life cycle of the invasive emerald ash borer. With the beetle two counties ...

Emerald ash borers emerge from trees between April and early July, with peak activity occurring in June. The adult beetles create D-shaped exit holes about 3/16 inch wide as they leave the tree.

Around 2000, when the emerald ash borer first began killing trees at an alarming rate, the Forest Service realized it needed eyes in urban areas. Hallett’s boss in New Hampshire knew he’d been ...

The white ash, as well as less common varieties of ash found in the Catskills, are being attacked by the emerald ash borer. The vividly colored insect was first discovered near Detroit in 2002 ...

Others, like Koch, are raising emerald ash borer eggs directly on the bark of young trees. And Dr. Richard Sniezko, a leading tree resistance breeder, infects pine saplings with white pine blister ...

Erin Lizotte, integrated pest management educator for Michigan State University Extension, said this week morels have been popping up all over the area. “I would say it’s peak season right now ...

There’s a tree killer on the loose in Oregon, and nobody knows how to stop it. An invasive green beetle called the emerald ash borer arrived in the Midwest from Asia, and it’s killed over 100 ...

The death toll: tens of millions of trees in Michigan alone. However, a new study shows white ash are more resilient than previously thought. Despite so many dying, trees continue to survive and ...

A new initiative aims to protect black ash trees, now considered endangered, from the invasive emerald ash borer that has wrought havoc on ash tree populations.