Symposium: Insect Behavioral Ecology - '93: Biological Control of the Two-Spotted Spider Mite (Acarina: Tetranychidae) on Commercial Strawberries in Florida with Phytoseiulus Persimilis (Acarina: Phytoseiidae)

  • Gordon C. Decou


Biological control of Tetranychus urticae Koch in Florida's commercial strawberry fields is possible by use of the predacious mite Phytoseiulus persimilis Athias-Henriot. A low and stable population of both species is maintained after about 2 months. Immigration of local parasitoids and predators contributes stability. The cost is likely to be lower than that of chemical control, and strawberry yields are not reduced.
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