1966 February: Ada River Headwaters Phasmatid Control. Pesticide: Malathion

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February 1966: Proposal to spray 200 acres north east of Powelltown (Headwaters of the Ada River) with Malathion at the rate of 5 1/2oz in 3 gallons fuel oil per acre to prevent defoliation caused by Phastmatid Didymuria violescens. Spraying was conducted 250 feet above the ground.