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Sticky Residue on Schefflera? Scale Insects or Mealybugs—Here's How to Treat

Identify the Pest

Scale: Small, round/oval bumps (~3–5 mm). Juveniles: mobile, white/cottony.
Mealybugs: Cottony white/grey clusters at leaf-stem junctions.

Both produce sticky honeydew.

Treatment

Insecticidal soap for both.
Adult scale: Hard to remove. Use old toothbrush + soap to loosen.
Repeat as needed.

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