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Publication Information

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Title: Monitoring western spruce budworm with pheromone- baited sticky traps to predict subsequent defoliation

Author: Niwa, Christine G.; Overhulser, David L.;

Date: 2015

Source: Research Note. PNW-RN-571. Portland, OR: U.S. Department of Agriculture, Forest Service, Pacific Northwest Research. 12 p.

Publication Series: Research Note (RN)

Description: A detailed procedure is described for monitoring western spruce budworm with pheromone-baited sticky traps and interpreting the results to predict defoliation the following year. Information provided includes timing of the survey, how to obtain traps and baits, how many traps are needed, trap assembly, field placement of traps, and how to evaluate the catches.

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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.
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Citation:


Niwa, Christine G.; Overhulser, David L. 2015. Monitoring western spruce budworm with pheromone- baited sticky traps to predict subsequent defoliation. Res. Note. PNW-RN-571. Portland, OR: U.S. Department of Agriculture, Forest Service, Pacific Northwest Research. 12 p.

 


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