Ronald F. Billings, Texas A&M Forest Service, Bugwood.org

Ladd Livingston, Idaho Department of Lands, Bugwood.org

Texas A&M AgriLife , Bugwood.org

Gerald J. Lenhard, Louisiana State University, Bugwood.org

Ronald F. Billings, Texas A&M Forest Service, Bugwood.org

Ronald F. Billings, Texas A&M Forest Service, Bugwood.org

David J. Moorhead, University of Georgia, Bugwood.org

Kenneth E. Gibson, USDA Forest Service, Bugwood.org

USDA Forest Service - Forest Health Protection Intermountain Region - Ogden, UT , USDA Forest Service, Bugwood.org

USDA Forest Service - Forest Health Protection Intermountain Region - Ogden, UT , USDA Forest Service, Bugwood.org

Ronald F. Billings, Texas A&M Forest Service, Bugwood.org

Chris Schnepf, University of Idaho, Bugwood.org

Jerald E. Dewey, USDA Forest Service, Bugwood.org