Signs & Symptoms

Ash trees may have been infested with EAB for a few years before you begin to see outward symptoms of tree decline. Signs and symptoms of an EAB infested tree include: 

Thinning Canopy or Crown

Branch dieback 
(usually starting from top of the tree)

Epicormic shoots/water sprouts

S-shaped galleries (tunneling) 
under the bark

Distinctive D-shaped exit holes