The products listed on the left are effective in dealing with pest insects that attack trees and shrubs - the woody plants in the landscape.

Outside of Tree or Shrub - Some such as Wasp & Hornet Killer by Bonide and Eight by Bonide are products that control insects on the outside of the tree or shrub such as wasps, aphids, or scale.

Inside Tree or Shrub - Other products such as Tree & Shrub Insect Killer by Bayer, Borer & Miner Killer by Bonide, and Bullets by Bonide are systemic insecticides that will kill insects boring inside of the tree's leaves or bark, inaccessible to most insecticides.