The two products we have listed in our tree borer article can kill most.

How to Kill Tree Borers Step 1. Use products containing chlorpyrifos, lindane or endusulfan to kill tree borers.

Step 2. Spray the entire trunk and branches of the infested tree. Though the insecticides cannot reach the larvae that Step 3. Apply fumigant products to repel the borer adults that. Jan 04, To prepare the ground for the treatment, you’ll need to create small holes inside the trees drip line (this is the area underneath the canopy of the branches), about feet around the base of the trunk. Make holes for every gallons of mixed solution you apply. To make the holes, use a pick axe or piece of rebar.