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Research Note
Title: Tolerance of spruce budworm to malathion...Montana, New Mexico populations show no differences
Author: Lyon, Robert L.; Page, Marion; Brown, Sylvia J.
Date: 1968
Source: Res. Note PSW-RN-173. Berkeley, CA: U.S. Department of Agriculture, Forest Service, Pacific Southwest Forest and Range Experiment Station. 6 p
Station ID: RN-PSW-173
Description: In pest control operations by the U.S. Forest Service using malathion sprays, nearly twice as many spruce budworms were killed in Montana as in New Mexico. To find out if budworms in New Mexico had greater tolerance to the insecticide, malathion was applied by topical and aerosol treatments in the laboratory to 6th - instar populations from the two States. No differences in susceptibility of the insects to malathion were found.
Keywords: Choristoneura occidentalis, spruce budworm, malathion, insecticides, insecticidal aerosols, toxicity, insecticide-resistant insects, chemical control (insects), insect control, aerosols, Montana, New Mexico
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Citation
Lyon, Robert L.; Page, Marion; Brown, Sylvia J. 1968. Tolerance of spruce budworm to malathion...Montana, New Mexico populations show no differences. Res. Note PSW-RN-173. Berkeley, CA: U.S. Department of Agriculture, Forest Service, Pacific Southwest Forest and Range Experiment Station. 6 p.