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Contains
Eretmocerus eremicus as parasitized whitefly pupae. Unti: 5000 or 1000 pupae minimum per strip. Each strip separates to give 10 sections each of 100 pupae. Target Pest
Tobacco whitefly (Bemisia tabaci) and also Glasshouse whitefly (Trialeurodes vaporariorum). Instructions
» | On receipt open package in glasshouse. | » | Separate individual cards from the strip. Fold up and then down along the perforation to weaken the joint and then tear. | » | Hang the cards in the crop. Avoid positions in direct sunlight. | » | Apply in early morning or evening. |
Introduction Rates
Can be used preventatively at a rate of 0.5-1 per m2 every 1-2 weeks. When whiteflies are present increase the rate to 2-3 per m2 weekly, for 4 introductions or until parasitism is sufficient. If preventative and light infestation introduction rates have been used then heavy pest infestations are less likely, but if they do occur the rate can be increased to 10 per m2, again for 4 introductions. Conditions
The average temperature should be at least 20°C. Storage
» Preferably use on day of receipt or within 24 hours if stored in the dark at 8-10°C.
Technical Information
Adult females are lemon-yellow, whilst males are brownish-yellow. Female wasps are very mobile and prefer to lay single eggs beneath second or third instar larvae of whitefly. The parasitised pupae turn yellow. Adults also feed on whitefly scales It is recommended that Eretmocerus is used in combination with Encarsia.
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