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Show Insecticides Do Not Kill Insects Certain Types of ; "Trick" Preparations Should Be Guarded Against. (Prepared by tlio United States Dcpnrtmcnt of Agriculture. ) Thousands of pounds of insecticides, insecti-cides, fungicides and disinfectants are sold annually in complete har-Ifiony har-Ifiony with he Insecticide act as en forced by the food, drug and Insecticide Insecti-cide administration. United States Department of Agriculture, but certain cer-tain types of "trick" preparations i are also being offered for sale and j should be guarded against, say fed- eral officials. I Many Are Warned. j Farmers, suburban dwellers, house-I house-I wives, and others, nre warned by the I administration aguinst buying prep nrations to be added to feed and drinking water which their makers j say will control external parasites on poultry and other animals consuming them. Neither should anyone be misled by 'the theoretically plausible claims made for preparations designed to be absorbed by the sap of trees to control fungous diseases and to kill Insects on and In the trees. Preparations to be hung In the home to drive away all household pests, purify the air and to prevent disease are also branded as useless by the officials. One of the mlsbranded preparations prepara-tions sold to control lice, mites, ticks j and fleas on poultry and other an!-, I mals by being taken Into the system with the food nnd drinking water, of-I of-I ficlals of the administration found I could be bought for IS cents a gallon This preparation, retailed in small I containers, netted the producer $G4 a I gallon. Neither this mixture nor any of the many similar mixtures could produce the results claimed for them j Control Diseases. Liquids, powders, and capsules to , be placed In a hole In the tree, un-' un-' der the bark, or In the soil, and i paints to be applied to the trunk of the tree, have been examined for their alleged powers to control fungous fun-gous diseases nnd to kill Insects .when, according to the advertising literature, the substances nre taken up by the sap and carried to all parts of the tree. Not only Is the value of these "remedies" very questionable, the administration ad-ministration reports, but many of them actually harm the trees. They may cause serious damage to shade and orchard trees, and In case of the latter, endanger the crop through failure to control Insects and diseases. dis-eases. Housewives are especially cautioned cau-tioned not to believe the glittering promises made for attractive little cases containing a chemical, which, when merely hung in a room, will drive away or kill moths, ants.' roaches, flies, and mosquitoes, and at the same time disinfect the room, purify the air, and prevent disease. |