Ron Long, Simon Fraser University, Bugwood.org

Ron Long, Simon Fraser University, Bugwood.org

Ladd Livingston, Idaho Department of Lands, Bugwood.org

Ron Long, Simon Fraser University, Bugwood.org

Ron Long, Simon Fraser University, Bugwood.org

Scott Tunnock, USDA Forest Service, Bugwood.org

David McComb, USDA Forest Service, Bugwood.org

David McComb, USDA Forest Service, Bugwood.org

A. Steven Munson, USDA Forest Service, Bugwood.org

Steven Katovich, Bugwood.org

William M. Ciesla, Forest Health Management International, Bugwood.org

Ladd Livingston, Idaho Department of Lands, Bugwood.org