Toxicity of some newer insecticides to larvae and pupae of Culex fatigans Weidemann.

Abstract

The toxicity of DDT, dieldrin, endrin, malathion, parathion, Systox and P4 to larvae and pupae of Culex fatigans has been studied. Two colonies of mosquitos were maintained for the purpose-one at 88 degrees +/-2 degrees F (31.1 degrees +/-1.1 degrees C) and 70%-80% relative humidity, and the other at 72 degrees +/-3 degrees F (22.2 degrees +/-1.7 degrees C… (More)

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