DDT resistance in adults of the BKPM3 strain of Aedes aegypti, homozygous for the pyrethroid resistance gene Rpy, was found to be due to factors on both chromosomes II and III. No evidence was found to suggest the presence of factors conferring resistance to permethrin on chromosome II and consequently that DDT resistance factor(s) on this chromosome are related to permethrin resistance. Further confirmation that Rpyis the major gene controlling pyrethroid resistance was obtained and also evidence that it is closely linked or allelic to the chromosome III DDT resistance factor.

Original languageEnglish
Pages (from-to)213-219
Number of pages7
Issue number3
Publication statusPublished - 1 May 1983


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