Predatory mites
against both excess moisture and drying out. This unique and patented system has demonstrated its practical effectiveness, enabling the use of predatory mites [...] the predatory mite species larvae are active or inactive. Once the larva has moulted to the protonymph (with four pairs of legs) stage, it begins feeding [...] predatory mites can vary according to the prey eaten. If the food supply has been absent for some time, they become thinner and a uniformly light transparent