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Parasitic Wasp

Encarsia formosa

Used for:

Greenhouse whitefly, Tobacco whitefly

Quantities Available:

Strips Per Package:

Packaging Style:


3,000 - 15,000

10 Strips - 50 Strips


Each box contains cardboard strips with 5 cards each, wrapped in plastic, with parasitized whitefly pupae.

When to use En-Strip?

Use En-Strip for biological control of greenhouse whiteflies (Trialeurodes vaporariorum) and tobacco whiteflies (Bemisia tabaci) in the third and fourth larval stage. Use En-Strip preventively and at the first sign of pest presence.

How does En-Strip work?

Female adult parasitic wasps parasitize the third and fourth larval stage of the whitefly. Additionally, host feeding also occurs.

Application En-Strip

- Open package carefully inside the greenhouse
- Bend and tear off the strips opposite from the mounting hole.
- Suspend the cards in the crop, if possible approximately 75 cm under the plant head.
- Avoid direct sunlight
- Do not touch the pupae.


Biological beneficials have a very short life expectancy and therefore need to be introduced into the crop as soon as possible after receipt. Failure to do so can have a negative impact on their quality. In case you do need to store Enermix, please follow the instructions below. Koppert B.V. is not liable for any loss of quality if the product is stored for longer than recommended and/or under incorrect conditions.
- Storage after receipt: 1-2 days
- Storage temperature: 8-10°C/47-50°F
- In the dark


The information given below is merely indicative. Tailored advice can be provided if information is available on the local factors that need to be taken into account, such as the crop, the climate conditions and the level of infestation. For the correct approach, please consult a Koppert specialist or a recognized distributor of Koppert products.

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