Is this emerald ash borer?

dlguyerApril 7, 2011

My ash tree is slowly being eaten away by something. The base of the trunk is almost totally hollow. It still produces full leaves every year. Can u tell me what is causing this? I know the tree needs to come down bc I'm afraid a strong wind will blow it over and cause damage. But if it's ash borers I think u have to dispose of it properly...

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dan_staley(5b/SS 2b AHS 6-7)

EAB has exit holes that are shaped like a 'D'. If you see plenty of holes in your tree with that shape, it is EAB. Otherwise, impossible to tell with info provided. Pix required.


    Bookmark   April 7, 2011 at 12:03PM
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The larva of the Emerald Ash Borer lives in and burrows around the cambium layer of the tree which then cuts off the flow of nutrients to the upper reaches of the tree. Most often the first sign people see of an infestation is that the top of the tree dies and then investigation of the trunk finds the "D" shaped exit holes the larve emerge from. The bark around that are can be easily pulled from the tree after the larve has done its thing, too.
If the trunk of the tree is being hollowed out there is something besides the EAB in that tree.

Here is a link that might be useful: Emerald Ash Borer

    Bookmark   April 8, 2011 at 8:21AM
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