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Aphids on Sundews: Identification and Safe Treatment

Diagnosis

Small white/clear bugs on D. capensis and D. spatulata in Seattle = almost certainly aphids. They're common on sundews, especially in spring/early summer.

Treatment

Use a systemic insecticide safe for carnivorous plants. Imidacloprid (Bayer Advanced Rose & Flower Care) or acephate are effective. Avoid insecticidal soaps—they harm sundews and butterworts.

Resource

Insecticide Podcast — covers safe products, application, and precautions.

Prevention

  • Quarantine new plants 2–3 weeks.
  • Inspect regularly with a hand lens.
  • Treat at first sign—aphids reproduce rapidly.

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