Unfortunately, the presence of the emerald ash borer can sometimes be very difficult to detect. More so, often times, when signs of the emerald ash borer start showing and symptoms of infestation are visible, the tree is usually already heavily infested and can rarely be salvaged.
Here are some signs of a potential infestation:
Warning: other diseases or insects can cause similar results. It is recommended to hire a specialist to confirm the presence of the emerald ash borer.