John D. Byrd, Mississippi State University, Bugwood.org

John D. Byrd, Mississippi State University, Bugwood.org

Charles T. Bryson, USDA Agricultural Research Service, Bugwood.org

Charles T. Bryson, USDA Agricultural Research Service, Bugwood.org

Charles T. Bryson, USDA Agricultural Research Service, Bugwood.org

Charles T. Bryson, USDA Agricultural Research Service, Bugwood.org

Joseph M. DiTomaso, University of California - Davis, Bugwood.org

Joseph M. DiTomaso, University of California - Davis, Bugwood.org

Bruce Ackley, The Ohio State University, Bugwood.org

Bruce Ackley, The Ohio State University, Bugwood.org

D. Walters and C. Southwick, USDA, Bugwood.org