Ervi-System
Large aphids? The battle is on!
What is Ervi-System?
- The biological control agent Aphidius ervi
- Most frequently used parasitic wasp to control large aphids
- Efficient against large aphid species such as the potato aphid Macrosiphum euphorbiae and the buttercup aphid Aulacorthum solani
What are the benefits of Ervi-System?
- Very good search behaviour that allows them to detect and parasitize incipient aphid hot spots at low prey density
- Can distinguish parasitized from non-parasitized aphids
- Develops and spreads fast in the crop
- Adapted to low temperatures
How does biological control with Ervi-System work?
Females lay hundreds of eggs during the first 4 days of their adult life The parasitic wasps detect alarm signals from an affected plant and the smell of honeydew secreted by the host. This allows them to locate aphid hot spots from a long distance They can parasitize hundreds of aphids The parasitic wasps parasitize both adults and nymphs Parasitized aphids change into golden brown mummies Parasitic wasps can cause a panic reaction, due to which the aphids fall onto the ground and die.
In which crops can you introduce Ervi-System?
- Ornamental crops such as chrysanthemum and gerbera
- Vegetable crops such as tomato, eggplant and pepper
- Soft fruit such as strawberry and raspberry
- Tree nursery
GUIDE LEAD TIME: 6-10 DAYS
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