The emerald ash borer, an invasive insect and threat to Maine ash trees, was confirmed on Mount Desert Island.

Each week, the Intro to Trees of Indiana web series will offer a sneak ... white ash is the best known and preferred species among the five ash species located throughout the eastern United States.

EMERALD ASH BORER The emerald ash borer (Agrilus planipennis) is a destructive, invasive wood‐boring pest of ash trees ...

The black ash is a tree native to much of eastern Canada and the northeastern United States, including the current reservation grounds of the Menominee tribe in northern Wisconsin. The tree primarily ...