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Borer in red maple (sunset)


Question
I spoke to a local tree farm about what looks like damage to the trunk of a red maple.  They are 95% sure it's a borer.  Instructions: peel the damage-look bark, use wire to poke all the holes and try to kill bugs, then use spray.  Is there somewhere online we can get both borer spray and also a systemic treatment?

Answer
Amazon.com does have the insecticide but I think if possible I would go to a local nursery and ask for Merit or Onxy insecticide. Bayer makes a merit insecticide for borers for trees.
Here is the web link to the one at Amazon.com

http://www.amazon.com/gp/product/B000NCWPL2/ref=olp_product_details/105-8650725-...

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