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Controlling Imported Willow Beetle on Weeping Purple Pussy Willow

Barbara's tree is attacked by navy‑blue/black beetles laying eggs and eating leaves for two years. Likely imported willow beetle. Treat with Bacillus thuringiensis, horticultural oil, or imidacloprid. See UConn guide: CT CAES.

Perennials: Weeping Pussy Willow Half-Crown Dieback: Soil Test Needed; Weeping Pussy Willow Borer Infestation: Atomic Grow Systemic Treatment; Weeping Pussy Willow Sudden Decline: Water, Blight, or Canker?; How to Root Pussy Willow Cuttings Successfully; Purple Arctic Weeping Willow 3 ft from Garage: Roots OK, Prune Branches; Diagnosing and Treating Black Sooty Mold on Weeping Pussy Willow; Spider Mites on Weeping Pussy Willow; Weeping Willow Pests: Consult a Tree Expert; Rooting Pussy Willow Branches from the Florist: Can You Grow a Tree from Cuttings?; Pruning a Weeping Pussy Willow: History, Form, and Realistic Expectations

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