Libellula herculea, commonly known as the Hercules dragonfly, is a large and impressive insect belonging to the family Libellulidae. It is characterized by its robust body, reaching lengths of up to 10 centimeters, and its striking metallic green or blue coloration. The Hercules dragonfly is known for its powerful flight and agile hunting skills, preying on smaller insects in its habitat, which includes freshwater ponds and marshes.