Lecanium scale on Maples
We have 3 sugar maples in norther Illinois that are infested with Lecaniun
scale ( no cotton). This year I did a soil drench in the spring using Bonide
tree & shrub containing Imoclipid. It seemed to help. I have read that insecticides that have Safari (Dinoteruran ) work better. Would there be any
problem switching to another product? The trees are 15 " in diameter.