Ohio State Weed Lab , The Ohio State University, Bugwood.org

Bruce Ackley, The Ohio State University, Bugwood.org

Bruce Ackley, The Ohio State University, Bugwood.org

Bruce Ackley, The Ohio State University, Bugwood.org

Bruce Ackley, The Ohio State University, Bugwood.org

Lynn Sosnoskie, University of Georgia, Bugwood.org

Lynn Sosnoskie, University of Georgia, 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