Phytoseiulus persimilis

Phytoseiulus persimilis predatory mite





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Identification card icon Identification

Phytoseiulus persimilis is a specialist predatory mite used to suppress two-spotted spider mite (Tetranychus urticae) and bean red spider mite (Tetranychus ludeni) in fruit, ornamental and market garden crops. Adult and immature Phytoseiulus persimilis feed on pest eggs, juveniles and adults. This predatory mite is one of the oldest biological control agents, first used commercially in 1930.

Adults are pear-shaped, 0.5 mm long, with long legs. Their orange colour makes them easy to scout. The immature stages are generally a semi-transparent orange. The eggs are oval and 0.33 mm in diameter (double the size of a two-spotted spider mite egg). Persimilis is highly mobile compared to two-spotted spider mites.

Persimilis is almost entirely dependent on spider mites as food. Once their prey is depleted, predatory mite populations will decline in numbers. Persimilis can be used on a broad range of crops, both outdoors and in protected cropping situations. The predatory mite Neoseiulus fallacis and the predatory beetle Stethorus punctillum can be used with it for better control during the season.

  • Small fruits (strawberry, raspberry, etc.)
  • Fruit trees (orchard)
  • Ornamental plants
  • Vegetable crops : cucumbers, tomatoes, peppers, etc.
  • Hop
  • Cannabis

  • Two-spotted spider mite (Tetranychus urticae)
  • Bean red spider mite< (Tetranychus ludeni)

  • The Phytoseiulus persimilis life cycle is 5 days at 25 °C, or 25 days at 15 °C.
  • Optimal conditions are temperatures between 20 °C and 27 °C, with over 60% relative humidity.
  • Une femelle pond 2-3 oeufs par jour, pour un total de 60 oeufs.
  • Adults live more than 35 days.
  • Phytoseiulus persimilis consumes 5 to 30 prey (eggs or mites) per day.
  • Does not enter into diapause.

Vial

Vial with Phytoseiulus persimilis predatory mite

A vial or tube containing adult and juvenile predatory mites in vermiculite.

Application rate

Phytoseiulus persimilis
Introduction Quantity Surface Frequency Duration
Curative light 5 per m2 weekly as needed
Hot spot 100 per m2 weekly as needed

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    Phytoseiulus persimilis


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Biological control products and beneficial insects for farmers and greenhouse growers