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Tuesday, July 18, 2023 Matt D. Connecticut

Entry 58 of 100  
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Beneficial Insects

Mites can be very difficult to control chemically as resistance can build in a population quickly. So, getting some beneficial insects established is a better long-term solution. Here there are two Mite Predators being released this evening in the 1,200sq.ft. greenhouse space.

Late evening/night time release is advised to allow them to establish during times of low light.

Background on each insect..

Phytoseiulus persimilis PLUS (4,000 total) P. persimilis PLUS are reared in an innovative way to include mobile mites (adults and juveniles) PLUS eggs in each bottle. Unlike traditional P. persimilis, P. persimilis PLUS arrives pale and changes to orange/red after predation on pest mites begin. Optimum Temperature and Humidity: 68-90F (20-27C) and 60-90% Relative Humidity

Neoseiulus (= Amblyseius) californicus (5,000 total) Neoseiulus (= Amblyseius) californicus is an oblong, tiny predatory mite that feeds on a variety of prey and is useful in prevention, control and management of infestations of various spider mite species. It can also be used as a preventative control of broad mites, cyclamen mites, and some russet mite species. Since they are slower feeders than other mite predators (P. persimilis, N. fallacis), N. californicus should be used in conjunction with other suitable beneficial insects in the presence of large pest populations. Optimum Conditions: 50-105F, 40-60% RH

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