Effect of Dusts Applying to Rice, on Larvae of the Armyworm, Pseudaletia separata Walker

Abstract

Rice leaves dusted with some insecticides were provided for the fifth or sixth instar larvae of the armyworm kept in plastic boxes, and dead larvae were counted a day and two days later. As theresult, PAP, MEP, MEP·BPMC, ethofenprox, DEP, MPP, pyridaphenthion·MTMC, chlorpyrifos-methyl. BPMC and bensultap·BPMC were highly effective, while PMP, cartap, cartap-BPMC, buprofezin·BPMC and dimethylvinphos·BPMC were far less effective.