Sphaerophoria-System – hoverfly larvae playing valuable aphid control role
How does Sphaerophoria-System control aphids?
- Efficient hoverfly for aphid control – Sphaerophoria rueppellii is a native European hoverfly whose larvae feed on all major aphid species. They can also consume whiteflies, thrips and spider mites as alternative prey.
- Highly voracious larvae – a single larva can consume up to 200 aphids during its development. Adult hoverflies lay their eggs directly in large aphid colonies.
- Perfect for IPM programmes – Sphaerophoria-System is fully compatible with aphid parasitoids and also contributes to crop pollination.
When should you introduce Sphaerophoria-System?
- Start at the first signs of aphids – introduce Sphaerophoria-System as soon as aphids are detected.
- Suitable for preventative and curative use – distribute the pupae over several release points or concentrate them in and around aphid hotspots.
- Repeat when necessary – weekly introductions help establish a stable population and improve aphid control.
- Combine with aphid parasitoids – both beneficials complement each other for even more effective aphid suppression.
How do you release Sphaerophoria-System?
- Use Bio-Boxes – divide the contents of the bottle over several Bio-Boxes and hang them within the crop, protected from direct sunlight.
- Focus on hotspots – position the release points in and around aphid colonies for rapid establishment.
- Use the product immediately – release the pupae as soon as possible after delivery.
- Provide a humid microclimate – this supports optimal larval development.
Under which conditions should you use Sphaerophoria-System?
- Optimum performance between 25°C and 35°C (77°F to 95°F) – the hoverfly is active between 12°C and 40°C (54°F to 104°F) but performs best under warm conditions.
- Monitor performance – the first adults emerge within a few days. Black larval droppings (meconium) on the leaves indicate active feeding.
- Ideal for integrated pest management – thanks to its high predation capacity, compatibility with aphid parasitoids and contribution to pollination, Sphaerophoria-System is a valuable component of any IPM strategy.