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COMPARISONS BETWEEN AN EXOTIC AND AN ENDEMIC PHYTOSEIID MITE PREDATOR (ACARINA: PHYTOSEIIDAE) IN BRITISH COLUMBIA

Published online by Cambridge University Press:  31 May 2012

R. S. Downing  and
T. K. Moilliet
R. S. Downing
Affiliation:
Research Station, Canada Department of Agriculture, Summerland, British Columbia
T. K. Moilliet
Affiliation:
Research Station, Canada Department of Agriculture, Summerland, British Columbia
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Abstract

In 1972, an organophosphate resistant strain of the phytoseiid predator Amblyseius fallacis (Garman) from Michigan compared favourably with the endemic Typhlodromus occidentalis Nesbitt, from Summerland, B.C., in laboratory and greenhouse trials against European red mite, Panonychus ulmi (Koch), and was later released into an orchard. By August 1972, A. fallacis had decreased whereas population densities of T. occidentalis increased. Examination of leaves and bark from the trees, and weeds, grass, and litter beneath the trees in 1973 confirmed that A. fallacis failed to survive in the Okanagan environment.

Type
Articles
Information
The Canadian Entomologist , Volume 106 , Issue 7 , July 1974 , pp. 773 - 776
Copyright
Copyright © Entomological Society of Canada 1974

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References

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