. "(Hagen 1861)" . "Coenagrionidae" . "Odonata" . . . "Animalia" . . . . "Enallagma durum" . "Insecta" . . . "Enallagma durum (Hagen 1861)" . . . . . . "Arthropoda" . . "Enallagma" . "Big Bluet" .