It has a body length of 45 to 49 mm with a wingspan of 65 to 70 mm.
The male's body is a metallic blue-green colour. Its wings are almost completely blue in colour except for the wing bases and tips. On the underside of the abdominal segments S8 and S9 there is a reddish to brown signal spot.
The female is metallic green to brownish in colour and has golden-brown, transparent wings, which become less transparent with age.
It colonises narrow watercourses that flow quickly and have clean, cool water with a high oxygen content.
Literature:
- K.-D. Dijkstra, Libellen Europas, 2. Auflage, Haupt Verlag Bern 2021,ISBN 3-258-08219-6, S. 88 f
- K. Sternberg / R. Buchwald, Libellen Baden-Württembergs, Bd. 1, Ulmer Verlag Stuttgart 2000, ISBN 3-8001-3508-6, S. 203–215
- H. Wildermuth, A. Martens, Die Libellen Europas, Quelle & Meyer Wiebelsheim 2018, 3-494-01690-9, S. 117 ff
Websites:
