James Solomon, USDA Forest Service, Bugwood.org

Louis-Michel Nageleisen, Département de la Santé des Forêts, Bugwood.org

Jean-Paul Grandjean, Office National des Forêts, Bugwood.org

Beat Forster, Swiss Federal Institute for Forest, Snow and Landscape Research, Bugwood.org

Esmat M. Hegazi, University of Alexandria, Bugwood.org

Esmat M. Hegazi, University of Alexandria, Bugwood.org