The below guide should help in identifying ash trees, however, feel free to call our office anytime and we will send out a technician, free of charge, to check the trees you have on your property and let you know if you have any ash trees.
Healthy ash trees are also susceptible, although beetles may prefer to lay eggs or feed on stressed trees. When emerald ash borer populations are high, small trees may die within 1-2 years of becoming infested and large trees can be killed in 3-4 years after becoming infested.
The adult beetle is dark metallic green in color, ½ inch-long and 1/8 inch-wide.
The canopy of infested trees begins to thin above infested portions of the trunk and major branches because the emerald ash borer destroys the water and nutrient conducting tissues under the bark. Heavily infested trees exhibit canopy die-back, usually starting at the top of the tree. One-third to one-half of the branches may die in …
In 2002, the emerald ash borer was first reported in Michigan, but has since spread to other states. Currently this devastating pest has been confirmed in 20+ states. For a state map please click here.
All types of ash tree species are susceptible. Larval galleries have been found in trees or branches measuring as little as 1-inch in diameter.
No one knows for sure, but it most likely came in ash wood used for stabilizing cargo in ships or from the wood used for packing or crating heavy consumer products.
The natural range of the emerald ash borer is from eastern Russia, northern China, Japan and Korea. Before June of 2002, it had never been found in North America.
