Protect Manitoba's Trees. Don't move firewood

How to Recognize a Sick Tree with Emerald Ash Borer

Visual signs include:

  • thinning and dieback of tree crowns
  • vertical cracks
  • woodpecker damage caused by woodpeckers seeking larvae
  • shoot development on lower portions of tree as it attempts to survive
  • D-shaped exit holes caused by the emergence of adult Emerald Ash Borers

How to Recognize a Sick Tree