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Last Updated: May 11, 2011
Yes. The populations of bark beetles during outbreaks can be so great that no tree is 100% safe from colonization. Deep infrequent irrigation, stand thinning, removing colonized material, and preventative pesticide applications can increase the probability that any given tree will survive the current outbreak.
Jeff Schalau, Associate Agent, University of Arizona, and Tom DeGomez, Area Agent and Regional Specialist, University of Arizona
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