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2L hrs 5O mg/sq acid adult mosquitoes Aedes Air spraying applied ATSO No.1 bedbugs beetle benzyl benzoate benzyl chloride breeding areas British report clothing impregnated control measures DDT AND PARADICHLOROBENZENE DDT solution DDT spray DDT-treated DDT/kerosene dengue determination dimethyl phthalate diseases dosage dust effect of DDT emulsion endemic exposure Fixanol fly breeding FLY CONTROL fly larvae gm/sq ft granular PDB/sq H.G. Wilson hand sprayer highly effective housefly housefly larvae Indalone insect and rodent insecticide kerosene killed knapsack sprayer l9hh l9LL larvae larvicide Laundering lethal malaria MALARIA CONTROL method mg/sq ft miticidal miticidal action mixture mosquito moth nozzles PARADICHLOROBENZENE Paris green PDB/sq ft plague rats Received April l9h5 red squill repellent and miticidal rodent control rodenticide scrub typhus sodium arsenite solvent sulfate thrips treated treatment twice weekly U.S. Army U.S. Dept USPHS vector water emulsion weeks wood xylene