H.H. Triantaphyllou, Nemapix picture set, Bugwood.org

Jonathan D. Eisenback, Virginia Polytechnic Institute and State University, Bugwood.org

Jonathan D. Eisenback, Virginia Polytechnic Institute and State University, Bugwood.org

Jonathan D. Eisenback, Virginia Polytechnic Institute and State University, Bugwood.org

G. Caubel, Institut National de la Recherche Agronomique, Bugwood.org