Aphids on Drosera: Identification and Treatment with Imidacloprid

Aphids on Drosera: Identification and Treatment with Imidacloprid

Michael sees small green bugs on D. spatulata 'Fraser Island' flower stalk. Indoor under CFLs (15 hr/day), RO water, 1:1 peat/perlite, east window (3 hr sun), Austin, TX. Photo not visible but description matches aphids.

Treatment Options

• Systemic imidacloprid—best for sundews, safe, effective.
• Wash off if only on 1–2 stalks.
• Spray if in crowns (D. capensis, D. adelae) where they hide.

Insecticide podcast has details.

Key Takeaway

Green bugs on sundew flower stalks = aphids. Use imidacloprid systemic for thorough control; wash off if localized.