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peer-reviewed research article

Managing spider mites in almonds with pesticide-resistant predators

authors

Marjorie A. Hoy, University of California
William W. Barnett
Lonnie C. Hendricks
Darryl Castro, UC
Daniel Cahn
Walter J. Bentley

publication information

California Agriculture 38(7):18-20. DOI: 10.3733/ca.v038n07p18. July-August 1984.

author affiliations

Majorie A. Hoy is Professor and Entomologist, Department of Entomological Scienes, University of California, Berkeley; William W. Barnett is Area Specialist, Cooperative Extension, Fresno County; Lonnie C. Hendricks is Farm Advisors, Cooperative Extension, Merced and Kern counties, respectively; Darryl Castro is fomer Staff Research Associates UC Berkeley. Danil Cahn is fomer Staff Research Associates UC Berkeley. Walter J. Bentley is Farm Advisors, Cooperative Extension, Merced and Kern counties, respectively;

abstract

Not available – first paragraph follows:

During the past three years, we have investigated the use of pesticide-resistant strains of spider mite predator released into almond orchards as components of an integrated management program. This predatory mite, Metaseiulus occidentalis (Nesbitt) provides effective biological control of the Pacific and two-spotted spider mites, Tetranychus pacificus McGregor and T. urticae Koch, respectively, as well as the European red mite, Panonychus ulmi (Koch).

author notes

The authors thank F. Cove in Groot, and H. van de Baan for assistance, and are grateful to the growers who made their orchards available. This project is supported in part by funds from the Almond Board of California, UC/ IPM Program, Experiment Station Project 3522-H, and Western Regional Project-84.


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