Brian Lockhart, USDA Forest Service, Bugwood.org

David Stephens, Bugwood.org

David Stephens, Bugwood.org

Paul Wray, Iowa State University, Bugwood.org

Paul Bolstad, University of Minnesota, Bugwood.org

Paul Wray, Iowa State University, Bugwood.org

Bill Cook, Michigan State University, Bugwood.org

Chris Evans, University of Illinois, Bugwood.org

Paul Wray, Iowa State University, Bugwood.org

Paul Wray, Iowa State University, Bugwood.org

Franklin Bonner, USFS (ret.), Bugwood.org

David Stephens, Bugwood.org