Resistance to DDT in the Mosquito Fish, Gambusia affinis

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Science  18 Jan 1963:
Vol. 139, Issue 3551, pp. 217-218
DOI: 10.1126/science.139.3551.217


Mosquito fish from waters near cotton fields that have had a long history of treatment with chlorinated hydrocarbon pesticides exhibited a marked resistance to DDT compared with fish from areas which had had no past exposure to insecticides.