Trees are a universal symbol of nature – standing tall, strong and seemingly impervious. But despite their substantial and hardy nature, trees are subject to diseases. At Roots & Shoots Tree Care, we want to manage the health of your trees.
Native to Asia, it likely arrived in the United States hidden in wood packing materials. The first U.S. identification of Emerald Ash Borer was in southeastern Michigan in 2002. There are a variety of treatment options that can serve as a control measure for the EAB, but they are not a cure. Our goal at Roots & Shoots Tree Care is to protect the trees that are vulnerable to this pest. If you have a tree affected by the larvae of the emerald ash borer, we can inject your tree with pesticides, which are designed to protect your tree for two years.
Here are some symptoms of a tree infected with EAB.
* Crown dieback: Dieback of the upper and outer crown begins after multiple years of EAB larval feeding. Trees start to show dead branches throughout the canopy, beginning at the top. Larval feeding disrupts nutrient and water flow to the upper canopy, resulting in leaf loss. Leaves at the top of the tree may be thin and discolored. An example of this is shown below.
* Epicormic Sprouting: When trees are stressed or sick, they will try to grow new branches and leaves wherever they still can. Trees may have new growth at the base of the tree and on the trunk, often just below where the larvae are feeding. An example of this is shown in the picture above, where small branches are growing on the trunk, about 6 feet off the ground.
* Bark splits: Vertical splits in the bark are caused due to callus tissue that develops around larval galleries. Larval galleries can often be seen beneath bark splits.
* Woodpecker feeding: Woodpeckers eat emerald ash borer larvae that are under the bark. This usually happens higher in the tree where the emerald ash borer prefers to attack first. If there are large numbers of larvae under the bark the woodpecker damage can make it look like strips of bark have been pulled off of the tree. This is called "flecking." An example of this is shown below.