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Oncidium Yellow Bugs = Thrips: Eggshells Help, But Spray First

Bug ID: Thrips

Tiny, yellow, fast, chew leaves → silvery patches. Not from eggshells (calcium source, harmless).

Thrips Treatment

  1. Morning, outdoors.
  2. Malathion/diazinon spray — undersides!
  3. Dry, air out, return.

Eggshells = Slow Calcium

Crush fine, sprinkle, water in. Tiny calcium boost per watering. Helps roots long-term. Not pest-related.

Key Point

Spray for thrips NOW. Eggshells optional later.

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