TDE, 1,1-Dichloro-2,2-bis( p -chlorophenyl) ethane, as an Anopheline Larvicide

Abstract
Tests were made to compare the toxicity of DDT and 1,1-dichloro-2,2-bis(p-chloro-phenyl) ethane (TDE) to 4th in-star larvae of Anopheles quadrimaculatus Say when applied in acetone suspensions, dusts and oil solns. In acetone suspensions they were about equally effective; when applied as a dust TDE was equally or more effective; in fuel oil solns. TDE was definitely more toxic.

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