Magnolia Scale is the bane of the Ontario Pesticide ban. There is now nothing to control Magnolia Scale except for power washing (you know the cost of water) & insecticidal soap. (more water)
This is what our driveway looked like after the Magnolia was power washed. Notice the white specks, those are Magnolia Scale & yes they are still alive & moving!!
The black on the leaves is Sooty mould. This is a fungus that is the result of Magnolia Scale.
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