Predatory mite

SPIDEX

Phytoseiulus persimilis

Effective against two-spotted spider mites

The product

SPIDEX

What does SPIDEX look like? 

The product SPIDEX contains the predatory mite Phytoseiulus persimilis. The adult predatory mites are pear-shaped, shiny and bright red with four pairs of legs. Young stages are translucent to light red and have three pairs of legs. The eggs are oval, light pink, shiny and translucent. All stages of the predatory mite (except eggs) move very quickly over the leaves. 

How does SPIDEX work? 

Phytoseiulus persimilis predates on all stages of two spotted spider mite (Tetranychus urticae). The carmine spider mite (Tetrancychus cinnabarinus) is eaten to a much lesser extent. The number of mites that are eaten depends on the spider mite abundance, relative humidity and temperature. Phytoseiulus is mainly used in spider mite hot spots. At low spider mite abundance, cannibalization between spider mites can occur. At 20°C adult predatory mites kill five adult spider mites or twenty young larvae and eggs a day. The development of predatory mites is twice as fast as spider mite development at 20°C.  

When can SPIDEX be applied? 

SPIDEX is used in greenhouses and indoor plantings to control twospotted spider mite (Tetranychus urticae). It is only effective at high humidity of at least 60%. Consider multiple introductions. The product is sensitive to several chemical pesticides. Ask advice for deployment strategies. 

SPIDEX Phytoseiulus persimilis biological control control two-spotted spider mite
SPIDEX predatory mite

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