Cottony Cushion Scale presents on the undersides of leaves and on branches, covering them with white, cottony, cushion-like masses. Leaves will yellow and will most likely drop. Often, a sticky black substance called “honeydew” will coat the leaves. This is caused by the withdrawal of tree sap from the leaves and branches. The insects are unable to fully digest the sugars and the black “honeydew” appears. Sometimes, a sooty mold will also grow on the “honeydew.”
Use Systemic Insect Spray to combat.
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