Pesticides (Fe – lm)
HEALTH PROBLEMS: Toxicity was determined as the LD50 for organisms 24 h after treatment. The test compound was administered topically to adult female houseflies and i.p. to mice as above using acetone and dimethyl sulfoxide, respectively, as the carrier vehicles . Piperonyl butoxide, when used, was applied to the houseflies at 250 ?g/g 1 h before the toxicant.