THE NATURE OF MALATHION RESISTANCE IN A POPULATION OF ANOPHELES-CULICIFACIES GILES

  • 1 January 1981
    • journal article
    • research article
    • Vol. 59  (3) , 383-386
Abstract
Malathion resistance in a population of A. culicifacies from Maharashtra State, India, which also showed resistance to a number of other organophosphorus compounds, was dominant in its expression. Most of the crossing and back-crossing results involving a susceptible population of the same species from Sri Lanka indicated the possible involvement of more than one genetic factor. The existence of such a broad spectrum of resistance and experiments involving the use of the synergists, triphenyl phosphate and piperonyl butoxide, suggest the presence of at least 2 mechanisms, 1 involving the specific carboxylesterase and the other the less specific mixed-function oxidase system.

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