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Red Balls on Autumn Blaze Maple: Bladder Galls

Tiny Red Balls on Maple Leaves? Bladder Galls

Caused by mite Vasates quadripedes. Galls turn green→pink→red→black. Leaves may distort and drop early. No health impact; control unnecessary. Mites overwinter under bark.

Plant Diseases: Assessing Autumn Blaze Maple Survival: Scratch Test and Certified Arborist Referral; Memorial Autumn Blaze Maple Struggling: Planting Hole "Pot Effect" Suspected; Autumn Blaze Maple with Scale Insects: Do Not Buy, Plant in Fall; Autumn Blaze Maple Bark Split: Sunscald, Frost Crack, and Recovery; Autumn Blaze Maple Sunscald: Recovery in Progress; Autumn Blaze Maple in Amarillo: Checking Viability; Phyllosticta Leaf Spot on Autumn Blaze Maple: Cosmetic, Not Critical; Autumn Blaze Maple Struggling in Clay Soil: Check pH and Nematodes; Autumn Blaze Maple Early Leaf Drop: Red Maple Trait, Not Disease; Autumn Blaze Maple Co‑Dominant Trunks: Cable, Don’t Cut

Garden Articles

Autumn Blaze Maple Sunscald and Borer Damage: Healing vs. Structural Risk

Borer Damage and Decay in Autumn Blaze Maple

Autumn Blaze Maple Aphid Infestation: Systemic Insecticide Best

Autumn Blaze Maple Decline: Bark Peeling, Sap Ooze, and Split Trunk

Autumn Blaze Maple Top Death and Trunk Splitting: Cold Injury

Autumn Blaze vs. Silver Maple: Identification and Root Behavior

Autumn Blaze Maple Early Red Color: Water Stress

Plants

Autumn Blaze Maple Borer Damage: Earwigs Secondary, Merit Treatment and Fertilization

Red Balls on Maple Leaves: Eriophyid Mite Galls, Not Disease

Does Autumn Blaze Maple Produce Pollen? A Question for a Tree Expert

Autumn Blaze Maple Dying Limb by Limb: Borer Infestation

Red Bumps on Autumn Blaze Maple: Leaf Spot or Gall?

Diagnosing Autumn Blaze Maple Decline After Mulching

Autumn Blaze Maple and Deck: Prune Low Branches Now