. . "Eristalis tenax" . "Diptera" . . . . . . . . . . "Insecta" . "Drone Fly" . . "Animalia" . . . . "Arthropoda" . "Syrphidae" . . "Eristalis tenax (Linnaeus 1758)" . . "(Linnaeus 1758)" . "Eristalis" . .