Residual Toxicity of BHC and Malathion to the Larval and Pupal Parasites of Opisina Arenosella Walker (Nephantis Serinopa M.)
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1984
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Recommended residual toxicity tests of BHC and malathion for the control of Opisina arenosella Walker against the laboratory-bred pan sites were conducted from March to June 1973 at Parakkadu. Both insecticides at recommended doses were found to be highly toxic to all the laboratory bred parasites except BHC to bethylids. Malathion was found to be more toxic to parasites than BHC when mean over periods were analysed. The residual toxicity of insecticides to parasites varied from period to period and parasite to parasite.
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Philipp.J.Cocon.Studies 1984 v-9 i-1-2 p-18-22