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Publication Information

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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

Publication Series: Research Note (RN)

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

Publication Notes:

  • We recommend that you also print this page and attach it to the printout of the article, to retain the full citation information.
  • This article was written and prepared by U.S. Government employees on official time, and is therefore in the public domain.

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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

 


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