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Toxicity of insecticide aerosols to needle miner adults of the genus ColeotechnitesAuthor(s): Robert L. Lyon; Marion Page
Source: Res. Note PSW-RN-243. Berkeley, CA: U.S. Department of Agriculture, Forest Service, Pacific Southwest Forest and Range Experiment Station. 4 p
Publication Series: Research Note (RN)
Station: Pacific Southwest Research Station
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DescriptionTen insecticides were tested in aerosol form against adult needle miners of the genus Coleotechnites collected from the Winema National Forest in Oregon and from the lnyo National Forest in California. In these laboratory tests, the pyrethrins were the most toxic. They were about six to seven times more toxic than malathion-the insecticide considered the most effective in suppressing needle miner epidemics. None of the chemicals other than pyrethrins was clearly more toxic than malathion. All candidates except trichlorfon caused 90 percent mortalities at 0.35 µg. .per sq. cm. (equivalent to 0.5 oz. per acre) or less.
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CitationLyon, Robert L.; Page, Marion. 1971. Toxicity of insecticide aerosols to needle miner adults of the genus Coleotechnites. Res. Note PSW-RN-243. Berkeley, CA: U.S. Department of Agriculture, Forest Service, Pacific Southwest Forest and Range Experiment Station. 4 p
KeywordsColeotechnites spp., insecticides, toxicity, aerosols, Pyrethrins, Malathion, California, Oregon, Inyo National Forest, Winema National Forest
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