Abstract
WE have obtained two colonies of Anopheles atroparvus by selecting for escaping (colony A) and not escaping (colony B) from a tube lined with paper impregnated with DDT dissolved in ‘Risella’ oil1, and this selection has now reached the F32 generation. Percentages of escapes, which differed widely in both males and females, have not changed significantly since the tenth generation. Neither DDT nor its solvent has been found to be essential for the escape reaction, but each greatly enhances the response.
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References
Gerold, J. L., and Laarman, J. J., Nature, 204, 500 (1964).
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GEROLD, J., LAARMAN, J. Behavioural Responses to Contact with DDT in Anopheles atroparvus. Nature 215, 518–520 (1967). https://doi.org/10.1038/215518a0
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DOI: https://doi.org/10.1038/215518a0
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