Two spotted spider mite. Besides Tetranychus urticae, P. persimilis can be used to control other spider mites from the genus Tetranychus, such as T. pacificus and T. kanzawai, with the exception of T. evansi.
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Use Spidex Vital for biological pest control of two spotted spider mite (Tetranychus urticae). Spidex Vital works well on all the life cycle stages of the two-spotted spider mite but prefers younger stages most. Use Spidex Vital preventatively and at the first sign of pest presence.
Phytoseiulus persimilis feeds on all stages of spider mites, but has a preference for eggs. The predatory mites pierce the eggs and consume the contents. Adult Phytoseiulus persimilis also attack adult spider mites but the smaller development stages only feed on smaller prey stages. The larvae do not eat. In the crop, the predatory mite lives exclusively on two-spotted spider mites (Tetranychus spp.).
Relative humidity should be above 75% and the temperature above 20°C/68°F for at least some hours of the day. Phytoseiulus persimilis does not enter diapause.
Biological beneficials have a very short life expectancy and therefore need to be introduced into the crop as soon as possible after receipt. Failure to do so can have a negative impact on their quality. In case you do need to store Spidex, please follow the instructions below. Koppert B.V. is not liable for any loss of quality if the product is stored for longer and/or under different conditions than recommended.
The information given below is merely indicative. Tailored advice can be provided if information is available on the local factors that need to be taken into account, such as the crop, the climate conditions and the level of infestation. For the correct approach, please consult a Koppert specialist or a recognized distributor of Koppert products.
| Spidex Vital | preventive | light curative | heavy curative |
|---|---|---|---|
| Rate | 2-4/m² | 6-10/m² | 20-50/m² |
| Interval (days) | 21 | 7 | 7 |
| Frequency | - | 2-3x | 2-3x |
| Remark | - | - | Introduce in infested areas only |
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