Aphidius matricariae
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Targeted crops
- Cannabis
- Vegetable crops
- Ornamental crops
Targeted pests
- Green peach aphid (Myzus persicae)
- Cannabis aphid (Phorodon cannabis)
Application Instructions
Delivered at the pupal stage, inside a parasitized, dead aphid. Adults will emerge after a few days.
Important ! Adults live only for a few days. Use the product on the same day it is received.
Open the container in the center of the greenhouse. Keep container between 22-25ºC and in the shade.
WARNING! Sticky traps can harm Aphidius sp. Use only 1 yellow or blue sticky trap per 100 plants, and release them away from the traps.
Preventive application rates* generally range from 0.25 individuals per m², and 1 to 2 individuals per m² for light to severe infestations. Repeat introductions every week until control.
For best results, use preventively with introduction of banker plants.
*Introduction rates may vary depending on specific crop conditions, the type of pest present, and the level of infestation.
Storage Instructions
Use upon receipt to ensure maximum efficacy. If needed, keep for a maximum of 1 to 2 days in a cool environment (8-10°C), away from light.
Do not freeze.
Description
Aphidius matricariae is a unique species of parasitoid wasp crucial to the control and management of more than 40 types of destructive aphids, including the cannabis aphid (Phorodon cannabis). This black-colored insect, characterized by its dark legs and long antennae, engages in an intricate life cycle; after mating takes place, eggs are placed inside hosts which may be adults or juveniles. The larvae subsequently feed on internal organs of their host before it turns into a characteristic ‘beige’ called the mummie state. Roughly 7 days later, new adult emerges and then start again another life cycle. To reduce insect pest damage by up to 80%, an early season introduction of Aphidius matricariae and the Predatory midge, Aphidoletes aphidimyza – in combination with a banker plant integrated in a management program can be incredibly impactful.