摘要：The paper describes the research being undertaken on organo-phosphorus insecticides for the control of houseflies and mosquitos. The information obtained from laboratory and field tests indicates that these insecticides are at present effective substitutes for DDT and other chlorinated-hydrocarbon insecticides for use against resistant houseflies and culicine mosquitos, but the residual applications are not as long lasting as those of DDT and therefore will probably not be as efficient in anopheline control. Full text Full text is available as a scanned copy of the original print version. Get a printable copy (PDF file) of the complete article (656K), or click on a page image below to browse page by page. 33 34 35 36 37 38 39
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