




Enermix – Whitefly Parasitoid Wasp Cards
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Enermix
Enermix cards carry whitefly pupae parasitised by two tiny parasitoid wasps, Encarsia formosa and Eretmocerus eremicus. After the cards are hung, adult wasps emerge and seek immature whiteflies on nearby plants. This works gradually and is most useful when whiteflies are identified early.
Which whiteflies it targets
- Encarsia formosa is used against greenhouse whitefly.
- Eretmocerus eremicus also targets tobacco whitefly.
Card format
- One strip containing five hanging cards.
- Approximately 60 parasitised whitefly pupae on each card, around 300 across the strip.
How to place the cards
- Open carefully and separate the cards at the perforations opposite the hanging holes.
- Hang among affected foliage without touching the pupae; protect the cards from direct sun and strong drafts.
Conditions and follow-up
Warm indoor conditions are important: Encarsia formosa works best around 20–25 °C, and Eretmocerus eremicus also performs best with a daily average near or above 20 °C. Check leaves regularly for active whiteflies. Further releases may be needed; follow the schedule in the instructions supplied with your pack. Oils, soaps and pesticide residues may harm the emerging wasps.
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