Show WONDER insecticide TO FIGHT CROP PESTS DDT the wonder insecticide which has saved hundreds of ads of american and allied troops from maleria and other insect borne erases will be known to hundreds d utahna before the end of the 45 cop aop season dr G F knowlton U U t tab tari sio n E entomologist predicts several thousand pounds of diluted DDT dust ready to apply for experiments peri ments on dygus bugs alfalfa weevil potato insects flea beetles ants onion garden insects and other noxious pests is being usei used in experiments and demonstrations in utah this season in addition liquid DDT sprays are being applied in smaller amounts for the control of flies in an effort to prevent the spread of infantile paralysis and to reduce fay borne aysen tery typhoid and other bly borne diseases such spray treatments also kill adult mosquitos which rest upon maddt DDT sprayed house screens walls and other treated surfaces he points out A note of caution is voiced by the entomologist widespread and indiscriminate use of DDT is not de si reable reabIe until its effect on such beneficial insects as honeybees wild insect pollinators pollina tors or economic crops and beneficial isic insects is known this insecticide should not be turned loose tor for general use such a usage dr knowlton advises aises vises will upset the balance of nat ure and result in able consequences to agriculture which it is hoped may be largely avoided it research is accomplished to permit use of this wonder insecticide in minimum minimum effective dosages and with maxim maximum um possible precaution with constant regard for beneficial forms of life |