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A mechanical fly-tagging device.
The egg is placed in the holder with the air-sac toward the light source (15) and with the selected vein on top. Expand
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Disinsectization of aircraft by residual deposits of insecticides.
Summary Field tests with free-flying house flies and mosquitoes in passenger aircraft that were being used on routine schedules have shown that lindane residues of 200 mg. per sq. ft. willExpand
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