The sticky substance on your maple is honeydew excreted by aphids feeding on phloem sap. Sooty mold often grows on the honeydew, creating a black coating. While unsightly, aphids rarely threaten tree health.
Your sister's tree fell due to carpenter ant excavation in decayed wood. Carpenter ants don't kill healthy trees; they nest in already rotting wood. A squirrel hole at a V-crotch could indicate internal decay.
Hire a certified arborist (not a tree removal company) to assess structural integrity. They can detect hidden decay, evaluate risk, and recommend mitigation if needed. Contact the International Society of Arboriculture for local certified arborists.
Yellow Sap Oozing from an Old Red Maple: Bacterial Wetwood?
That "Vine" on Your Maple Is Not a Root—Here's How to Remove It Safely
Maple Sunscald: Wrap, Fertilize, Protect from Borers
Maple Borer Infestation in Old Wound: Treatment and Risk
Saving a Split Maple Tree with Bracing
Maple Sap Dripping After Pruning: Normal or Aphids?
Scale Infestation on Ficus benjamina: Treatment and Renovation Pruning
Birch Tree Dripping Honeydew: Aphid Control Options
Diagnosing a Struggling Maple: Split Bark, Black Marks & Fungi
Black Tennis Court Residue: Sooty Mold from Scale/Aphids
Coral Bark Maple Losing Bark: Sunscald, Borers, or Natural Exfoliation?
Maple Bark Peeling: Decay Fungi and Borer Prevention
Bacterial Wetwood (Slime Flux) in Maple Trees
Controlling Aphid Honeydew on Elm Trees with Systemic Insecticides
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