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    Author(s): Robert E. Stevens; V. M. Carolin; George P. Markin
    Date: 1984
    Source: In: United States Cooperative State Research Service, Canada/United States Spruce Budworms Program. 1984. Spruce budworms handbook: Lepidoptera associated with western spruce budworm. Washington, D.C.: U.S. Department of Agriculture, Forest Service, Cooperative State Research Service, Agricultural Handbook No. 622: p. 5-8
    Publication Series: Agricultural Handbook
    PDF: View PDF  (2.91 MB)

    Description

    Field workers doing surveys, control operations, and research on western spruce bud worm often encounter other kinds of foliage-feeding larvae, some of which closely resemble western spruce bud worm , Workers must be able to distinguish between the different species and groups.

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    • This article was written and prepared by U.S. Government employees on official time, and is therefore in the public domain.

    Citation

    Stevens, Robert E.; Carolin, V. M.; Markin, George P. 1984. Lepidoptera Associated With Western Spruce Budworm: Introduction. In: United States Cooperative State Research Service, Canada/United States Spruce Budworms Program. 1984. Spruce budworms handbook: Lepidoptera associated with western spruce budworm. Washington, D.C.: U.S. Department of Agriculture, Forest Service, Cooperative State Research Service, Agricultural Handbook No. 622: p. 5-8

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