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Journal Article

Effect of Malathion Analogs upon Resistant and Susceptible Culex Tarsalis Mosquitoes

W. C. Dauterman and F. Matsumura
Science
New Series, Vol. 138, No. 3541 (Nov. 9, 1962), pp. 694-695
Stable URL: http://www.jstor.org/stable/1709755
Page Count: 2

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Topics: Toxicity, Isomers, Insecticides, Mammals, Insect larvae
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Abstract

The effects of minor variations in the malathion molecule upon the resistance of Culex tarsalis have been examined. By replacing the carboethoxy group by carbomethoxy, the 60-fold resistance to malathion is abolished. The results confirm the importance of carboxyesterase action in determining susceptibility to malathion.

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