Feeding commonly on leaves, seedlings, shoots, flowers and fruit. Large, irregular holes can be seen on leaves often with feeding damage occuring on the leaf edges. Black frass (droppings) also visible. Not a particular pest of blueberry plants.
Product Solution: Spray with Provado Ultimate Bug Killer- Ready to Use / Concentrate.
Cultural measures: Remove and destroy clusters of eggs when seen. Pick off caterpillars by hand where ever possible.