Description: The female has a green blue body and the wings are wide and brown. The male presents a green blue body and its wings, also wide, are blue. When adult, it presents a length of 45-49 mm. The period of flight is from April to September.
Habitat: Small water courses, cold, rapids, oxygenated and with riparian vegetation.
Where to find in the Arouca Geopark: Drave Stream, Moldes Stream, Telhe Stream, Freita’s plateau streams, Paiva River, Paivô River.