QT, Tree & Shrub Drench, Long Lasting, For Trees & Shrubs To Protect Against Difficult To Control Insects For Up To 1 Year, Systemic Action Will Not Wash Off, Apply In Early Spring Or In Fall For Protection In The Following Year, Controls Insects Including Emerald Ash Borer, Leaf Miners, Birch Borers, & Japanese Beetles On Trees, Roses & Shrubs. Active Ingredient: Imidacloprid