Surdo, Salvatore. “First Record of Lindenia Tetraphylla (Vander Linden, 1825) and Rediscovery of Orthetrum Nitidinerve (Selys, 1841) in Sicily (Insecta: Odonata)”. Fragmenta Entomologica 49, no. 2 (December 22, 2017): 185-189. Accessed August 6, 2020. http://fragmentaentomol.org/index.php/fragmenta/article/view/263.