Emerald Ash Bore (EAB)
This invasive insect is bright, metallic green, about 1/2in long with a flattened back. It has purple abdominal segments under its wing covers. The EAB can fit on the head of a penny. Left untreated it will kill your trees.
S-shaped Galleries and D-shaped Exit Holes
Galleries under the bark reveal the back and forth feeding pattern of the EAB larvae. Adults emerge from D-shaped exit holes of a 1/8” diameter
EAB Canopy Die Back
For more information on the Emerald Ash Bore, visit these links.