Typhlodromus (Amblyseius) potentillae or Amblyseius (Euseius) andersoni are the different names used to indicate this predatory mite. It is an indigenous species in Southern and Western Europe and is naturally present in several biotopes such as vineyards and orchards. The predatory mites become active at 6 °C – 8 °C, as most spider mites do. By introducing A. andersoni early it is not necessary to wait until the pest appear spontaneously to control it. Because A. andersoni is a polyphageous mite, it easily finds an alternative food source to maintain itself compared to predatory mites that prefer just one prey. Another advantage is that they can survive even in absence of prey and still prevent any possible outbreak. When the pest has been eradicated, A. andersoni-predatory mites can starve for a while, but still form a threat to other preys. When the prey of other predatory mites is gone their population immediately decreases considerably.
The predatory mite Amblyseius andersoni eats many different pest mites such as spider mite, gall mite, and russet mite. Main target pests are red spider mite (Tetranychus urticae), European red mite (Panonychus ulmi), apple rust mite (Aculus schlechtendali) and boxwood bud mite (Eriophyes canestrinii). Spider mites are present on a large number of host plants where they can cause a lot of damage resulting in discoloration of the leaves and formation of webs. Besides the aesthetic damage, spider mites also cause growth inhibition. Gall and russet mites are minuscule and barely visible with a regular magnifier lens. Russet mites cause a brown discoloration of the leaves and gall mites cause malformations. When noticing the damages, the pest mites are already present in large numbers.
A. andersoni does not only feed on harmful mites, but also on thrips, pollen, honeydew and fungi.
SKU: AND25K .