The emerald ash borer (EAB) is a green beetle native to Asia and Eastern Russia.  EAB is considered to be an invasive species, and it is highly destructive to Ash trees outside of it's native region. EAB was first discovered in the USA in June of 2002 in Michigan. EAB was most likely brought here unintentionally in ash wood which was used to stabilize crates during overseas shipping from China to America.

EAB is spread through the transport of infested firewood, and infested ash nursery stock. Unfortunately EAB is now in Fairfield...The transportation of firewood from Burlington to Fairfield is the most likely cause in my opinion, as there is no EAB in between Fairfield and Burlington.

The adult beetle gets it's nutrition and calories by nibbling on the leaves on the canopy of ash trees. The female can lay up to 100 eggs in her life time, and deposits them in bark creases and crevices. When the egg hatches, it releases the EAB larvae that eats it's way through the bark into the outer layers of the tree.

Then EAB larvae then eats out the phloem, cambium, and even the outer sapwood of the tree. The phloem is the layer of the tree that transports all the sugary sap to different parts of the tree. When the larvae start to eat and destroy the phloem, it essentially girdles the vascular system of the tree. This is the ultimate reason why EAB infested ash trees die.

The most economically wise thing to do in response to an EAB infestation in a town or city is replant with a diversity of trees and shrubs as soon as possible, and then enjoy the ash trees for as long as possible while they are alive. I am not a proponent for removing live ash trees, I believe Fairfield should wait until they are dead before removing them.

To the residents of Iowa who have beautiful ash trees with a high sentimental value attached to them, I offer a safe 100% Organic EAB trunk injection treatment using an extract from the seed of the neem tree, and Arborjet's trunk injection system. If you would like to know my rate, please contact me via the contact section of this website, email me at, facebook me, or call me at 641-919-3691. For this treatment to be effective, it should be used either as as preventive, or with early stage EAB.

Another very interesting means of keeping the EAB population in check, is using biological control by releases a species of non-native parasitic wasp that lays it's eggs in the larvae and eggs of the EAB. Click here to view an interesting PDF on the experimental release of parasitic wasps done by the USDA. Click here to view the 3 main types of EAB parasitoids. Click here to view a PDF from the Michigan State Extension Service on how you can identify EAB.

Here are some pictures I have taken of the telltale signs and symtoms of EAB. If you would like to use my Organic EAB treatment, I would be happy to provide you with an official diagnosis.

A photo of an EAB D-shaped hole I took here in Fairfield:

Here is a picture I took while in Illinois of the classic D-shaped hole that are 1/8" in diameter caused by the mature beetle leaving the tree after completing it's larval life phase:

Another picture I snapped off the interstate just outside of Chicago suburbs... Notice the watersprouts/epicormic shoots jetting out from the lower trunk of the tree. This indicative of EAB, but not exclusive to it. Also note the two lighter colored patches on the trunk. This was caused by woodpecker's flecking the bark of the tree in search for the EAB larvae. Once again, woodpecker flecking is a classic EAB symptom, but it is not 100% exclusive to it. Woodpecker flecking can occur on any tree with borers/insects:

Woodpecker flecking and blonding as a result of woodpeckers trying to access the EAB larvae underneath the bark:
Eli Morgan - ISA Certified Arborist. Email: PH: 641-919-3691 facebook