Monitoring Western Spruce Budworm with Pheromone-Baited Sticky Traps to Predict Subsequent Defoliation.

摘要

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.