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Insecticide Resistance in Mosquitoes and Root Maggots

Published online by Cambridge University Press:  31 May 2012

A. W. A. Brown ,
W. Klassen ,
M. K. K. Pillai  and
G. S. H. Hooper
A. W. A. Brown
Affiliation:
Department of Zaology, University of Western Ontario, London
W. Klassen
Affiliation:
Department of Zaology, University of Western Ontario, London
M. K. K. Pillai
Affiliation:
Department of Zaology, University of Western Ontario, London
G. S. H. Hooper
Affiliation:
Department of Zaology, University of Western Ontario, London
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Extract

This exhibit represents part of the work of the Department of Zoology in the past 5 years, and others who have contributed to it are F. Matsumura, Z. H. Abedi, T. Kimura, P. G. Fast, J. G. Towgood, J. N. Telford and N. H. Khan.

The work with the mosquito Aedes aegypti has involved study of 8 susceptible strains. The mechanism of DDT-resistance has been found to be associated with its detoxication by an enzymic process of dehydrochlorination to DDE; the amount of DDE produced has been found to be directly proportional to the resistance level, both by experiments with larvae in vivo and with larval homogenates incubated with DDT and glutathione in vitro. A secondary resistance mechanism in American strains has been a very pronounced secretion and excretion of peritrophic membrane by the larvae.

Type
Articles
Information
The Canadian Entomologist , Volume 96 , Issue 1-2 , February 1964 , pp. 100 - 101
Copyright
Copyright © Entomological Society of Canada 1964

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