Holes appear in the flowers and flower buds. open flowers may be entirely eaten. Often, affected buds fail to open, or open deformed. Stem tips may be chewed, and the leaves be notched or riddled with holes. Red, green-spotted, brownish, or metallic green beetles up to 1/2 inch long are sometimes seen on the flowers or foliage.
Apply an insecticide labeled for this pest, following label directions.