Identifying ponderosa pines infested with mountain pine beetles

William F. McCambridge

Treesearch

Identifying ponderosa pines infested with mountain pine beetles

Informally Refereed

Authors:

William F. McCambridge

Year:

1974

Type:

Research Note

Station:

Rocky Mountain Research Station

Source:

Res. Note RM-273. Fort Collins, CO: U.S. Department of Agriculture, Forest Service, Rocky Mountain Forest and Range Experiment Station. 2 p.

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Download (PDF 217 KB): https://research.fs.usda.gov/download/treesearch/7375.pdf

Abstract

Trees successfully and unsuccessfully attacked by mountain pine beetles have several symptoms in common, so that proper diagnosis is not always easy. Guidelines presented here enable the observer to correctly distinguish nearly all attacked trees.

Keywords

Dendroctonus ponderosae, Pinus ponderosa, insect pests

Citation

McCambridge, William F. 1974. Identifying ponderosa pines infested with mountain pine beetles. Res. Note RM-273. Fort Collins, CO: U.S. Department of Agriculture, Forest Service, Rocky Mountain Forest and Range Experiment Station. 2 p.