Sudden needle drop + 1/8" holes in trunk = bark beetles. If any green foliage remains, spray trunk to ½ height with bark beetle insecticide (e.g., Onyx). If completely brown, remove tree immediately to prevent spread.
Bark Stripped Off Post Oak by Kids: Will the Tree Survive?
Magnolia Bark Splits: Normal Sloughing, No Treatment
Hackberry Bark Splitting, Powder & Ants: Heart Rot & Insects
Coral Bark Maple Losing Bark: Sunscald, Borers, or Natural Exfoliation?
Maple Bark Peeling: Decay Fungi and Borer Prevention
Harvesting Birch Bark: Sustainable Practices
Cracked Bark and Lichens on Young Red Maples
Weeping Willow Borer Infestation: Identification and Treatment
Bark Lice vs. Borers on Red Oak: Expert Debate in Illinois
Borers in Dying Willow: Wire Probing and Systemic Insecticide
Saving Trees from Horse Bark Chewing and Preventing Recurrence
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