Bruce Ackley, The Ohio State University, 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

Forest and Kim Starr, Starr Environmental, Bugwood.org

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

Bruce Ackley, The Ohio State University, Bugwood.org

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