残杀威对三种卫生害虫的药效报告

The effective report of propoxur for three hygienism pest

残杀威对多种害虫有触杀、胃毒、熏杀和驱避作用。试验表明,该药对家蝇的LD_(50)为3.05～3.66×10^(-3);以7mg/m^3药量喷雾,对成蚊的KT_(50)为3.5min,对家蝇为11.7min;对美洲大蠊和德国小蠊的LD_(50)分别为2.60～2.95×10^(-2)μg/虫和1.23～1.40×10^(-2)μg/虫、在不同板面上按2g/m^2涂药,对家蝇和蟑螂的持效期2个月以上。

There are effects of contact killing, stomach poisoning, fumigant killing and repellenting against many kinds of pest in propoxur The experimental results shown that LD_(50) is 3.05～3.66×10^(-3) for Musca domestica. The KT_(60) is 3.5min for adult mosquito and 11.7min for Muses domestica. at 7.mg/m^3 with spraying propoxur to kill mosquitoes and flies. LD_(50) is 2.60～2.95×10^(-2) each one for periplaneta American and 1.23～1.40×10^(-2)ug each one for Blattella Germanica. The lasting effect is over two months at 2g/m^2 on different surface with proporur.