Emerald Ash Borer Traces on a Dead Tree Trunk - stock photo

Traces of the emerald ash borer on the trunk of a dead ash in Michigan - like the death sentence for the tree, written under the bark; the emerald ash borer (Agrilus planipennis or Agrilus marcopoli) is a non-native invasive insect from Asia; the green beetle, accidentally introduced by overseas shipping containers into the USA, spread from Michigan through the Midwest and threatens to kill most of the ash trees in North America; shallow DOF