Application
Do not open the box until you arrive at the release point. Carefully open the perforated lid of the carboard box. Hang the open box vertically on the plants, preferably close to flowers. Protect from direct sunlight or rain.
Rophoria
- Sphaerophoria rueppellii
- Hoverflies
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For the control of all aphid species
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Disperse well and find aphid hotspots
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- Use for
- Product details
- Directions for use
Use for
Pests
All species/stages of aphids.
"The general conditions of Koppert (Koppert B.V. and/or of its affiliated companies) apply. Only use products that are permitted in your country/state and crop. Always comply with the conditions specified in local product registrations. Koppert cannot be held liable for unauthorized use. Koppert is not liable for any loss of quality if the product is stored for longer than recommended and/or under incorrect conditions."
Product details
Mode of action
Adult hoverflies emerge from the pupae and deposit their eggs in the aphid colonies. The young larvae start feeding on the aphids.
Visual effect
Aphids are consumed entirely, only skins remain. Dark excrements (meconium) on the leaves is an indicator of hoverfly larvae activity.
Product specifications
| Pack size | 100 pupae. |
| Presentation | 3,5x3,5x3,5 cm cardboard box. |
| Carrier | Buckwheat hulls and vermiculite. |
Directions for use
Dosage
The dosage of Rophoria depends on climate, crop and aphid density and should always be adjusted to the particular situation. Start introduction preventatively or as soon as the first aphids are detected in the crop. Introduction rates typically range from 200-600 pupae per ha/release. Releases should be repeated a number of times. Consult a Koppert advisor or recognized distributor for advice on the best strategy for your situation."
Environmental conditions
- Rophoria is most effective between 20 and 30°C.
- High humidity is favourable for larval development and hatching of pupae.
- Adult hoverflies feed on pollen and nectar. Ensure flowering plants are present for optimal establishment.
Combined use
For effective control of aphids combine with other predators and/or parasitoids.
Storage time after receipt
Apply as soon as possible after receipt. If necessary, the product can be stored for 1-2 days
Storage temperature
8-10°C/47-50°F.
Storage conditions
In the dark.
