Round to irregular spots of various sizes on leaves.
Color varies from yellow to brown with brown to purplish margins.
Pick and remove spotted leaves where practical. Holly leaf miner Pale squiggly lines on leaf. Pick off and destroy infested leaves in the fall or winter. This may be all that is needed for small trees and shrubs. If infestation is severe, carbaryl and imidacloprid are two of several insecticdes labeled for control of this pest.