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White "Ant-Like" Bugs on Orchids? You Have Mealybugs—Act Now

Identification Confirmed

White, ant-sized, tailed insects = mealybugs. They hide under leaves, in leaf axils, and in potting mix. They kill orchids by sucking sap.

Small Infestation: Q-Tip Method

  1. Dip Q-tip in isopropyl alcohol.
  2. Touch each visible bug—they dissolve instantly.
  3. Check undersides of all leaves thoroughly.
  4. Repeat daily for 2 weeks.

Large Infestation: Nuclear Option

  1. Unpot all affected plants.
  2. Remove ALL old mix from roots.
  3. Submerge entire plant in 50/50 alcohol/water for 10 min.
  4. Scrub/wipe all surfaces.
  5. Repot in FRESH mix + NEW pots.
  6. Isolate 4+ weeks.

Prevention

  • Inspect new plants before introducing.
  • Quarantine 2–3 weeks.
  • Systemic insecticide (imidacloprid) as soil drench for collections.

Don't delay—mealybugs multiply fast and spread to all plants.

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