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1959•Journal of Economic EntomologyRequires access

A Study of Insecticide Resistance in House Flies of Germany and France1

J. E. Webb

Open publisher page 1 citations

Abstract

Strains of the house fly (Musca domestica L.) from nine areas of Germany and France were laboratory tested to determine their susceptibility to DDT, lindane, dieldrin and malathion by topical application in acetone solutions. All strains were derived from flies which were collected in the field and reared in the laboratory until several successive generations had been tested. All strains tested were found to be significantly resistant to DDT, a Heidelberg strain having an LD-50 (lethal dose required for 50% mortality) of 71 times, La Rochelle 44 times, Orleans 36.7 times, and Munich 29.7 times as great as a non-resistant laboratory strain cited. Similarly five strains showed a moderate degree of resistance to lindane and five to dieldrin. None were shown to be significantly resistant to malathion.

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What this paper is about

Strains of the house fly (Musca domestica L.) from nine areas of Germany and France were laboratory tested to determine their susceptibility to DDT, lindane, dieldrin and malathion by topical application in acetone solutions. All strains were derived from flies which were collected in the field and reared in the laboratory until several successive generations had been tested. All strains tested were found to be significantly resistant to DDT, a Heidelberg strain having an LD-50 (lethal dose required for 50% mortality) of 71 times, La Rochelle 44 times, Orleans 36.7 times, and Munich 29.7 times as great as a non-resistant laboratory strain cited. Similarly five strains showed a moderate degree of resistance to lindane and five to dieldrin. None were shown to be significantly resistant to malathion.

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Available abstract

Strains of the house fly (Musca domestica L.) from nine areas of Germany and France were laboratory tested to determine their susceptibility to DDT, lindane, dieldrin and malathion by topical application in acetone solutions. All strains were derived from flies which were collected in the field and reared in the laboratory until several successive generations had been tested. All strains tested were found to be significantly resistant to DDT, a Heidelberg strain having an LD-50 (lethal dose required for 50% mortality) of 71 times, La Rochelle 44 times, Orleans 36.7 times, and Munich 29.7 times as great as a non-resistant laboratory strain cited. Similarly five strains showed a moderate degree of resistance to lindane and five to dieldrin. None were shown to be significantly resistant to malathion.

Key concepts: Malathion, Lindane, Musca, Biology, Dieldrin, Toxicology, Pesticide resistance, Insecticide resistance

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