Cottony Ash Psyllid

How to Protect Your Trees

Cottony ash psyllids are difficult to control, because they are hidden under the curled leaves for a large portion of their life cycle.

• Drought stressed trees may be more vulnerable to damage from this pest. Keeping trees healthy by watering and avoiding additional stresses could help reduce CAP impacts.
• Insecticide treatments may be available. It is best to get quotes from a licensed arborist for possible treatment options.