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Pests

Aphids on Colocasia

Commonly affects: Colocasia esculenta (Taro / Elephant Ear)

Small soft-bodied insects cluster on new, tender leaves and stems, sometimes causing distorted growth and sticky honeydew residue.

Potential Causes

  1. 1Aphids attracted to the soft, tender tissue of rapidly emerging new growth
  2. 2Introduction from a nearby infested plant
  3. 3Ants farming aphid colonies for honeydew

Solution Steps

  1. 1Rinse leaves and stems gently with water to dislodge light infestations
  2. 2Apply insecticidal soap or neem oil, covering new growth thoroughly
  3. 3Control ant activity nearby, since ants protect and spread aphid colonies
  4. 4Inspect new leaves regularly as they emerge, since aphids target this tender tissue first

Prevention Tip

Check new, still-unfurling Colocasia leaves closely — their soft, fast-growing tissue is exactly what aphids target first.