Phytoseiulus persimilis in vermiculite

Target Pest: Two-Spotted spider mite (Tetranychus urticae)

Description: Persimilis is a tropical predatory mite that was one of the first greenhouse biological control agents available commercially. Adults are bright reddish-orange in color, with long legs and pear-shaped bodies (about 0.5mm long). Immature predators are a pale salmon color. Eggs are oval and about 0.3mm long, which is about twice the size of the spider mite eggs.

Use as Biological Control: Persimilis is very effective against two-spotted spider mites in greenhouse vegetables and ornamentals, interior plantscapes, and conservatories. It can also be used in warm climates on field crops such as strawberries. Optimum conditions are 68-81°F (20-27°C) and relative humidity from 60-90%. While these are optimum conditions, they are not necessarily essential for Persimilis to be successful. Please note however, that cooler or warmer temperatures may affect reproduction and development. At optimum temperatures, the predators reproduce faster than spider mites, while at warmer and cooler temperatures, the spider mites will reproduce faster.

 Monitoring Tips: Persimilis is usually easy to tell from its prey. Two-spotted spider mites are pale green, with two darker spots on their sides, and move quite slow. In winter, some two-spotted mites turn a reddish color, but can still be distinguished from persimilis by their slower movements.

As low as $24.00
In stock
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Application Rate

5 - 10 per square foot

Humidity

60-90%

Temperature

68-81°F