The Emperor dragonfly (Anax imperator) is a very large dragonfly with bright blue and green colours. As one of the largest species in Central Europe, it has a body length of around 9 cm and a wingspan of 11 cm. Males and females can be distinguished by their appearance.
The males have a green thorax (chest) and a blue abdomen (rump), which has a jagged, black dividing line at the top. In females, this dividing line is brown and the sides of the abdomen are green.
It colonises stagnant and slow-flowing waters that have a medium to high water temperature. The territory can be several hundred square metres in size.
Literatur:
- K.-D. Dijkstra, Libellen Europas, 2. Auflage, Haupt Verlag Bern 2021,ISBN 3-258-08219-6, S. 172 f
- K. Sternberg / R. Buchwald, Libellen Baden-Württembergs, Bd. 2, Ulmer Verlag Stuttgart 2000, ISBN 3-8001-3514-0, S. 125–139
- H. Wildermuth, A. Martens, Die Libellen Europas, Quelle & Meyer Wiebelsheim 2018, 3-494-01690-9, S. 398 ff
Websites:
- https://www.libellen.tv
- https://www.libellenschutz.ch
- https://www.libellenwissen.de
- https://www.waldschrat-online.de
