Over all length 45- 48mm. The males are metallic blue-green with dark blue shading in a band across their wings. The females are metallic green with plain wings. They are more robust and larger than the other damselflies.
They favour slow flowing water and the males can sometimes be seen in groups on the emergent vegetation or in a dancing flight above the water.
Status and distribution
Restricted mainly to England and Ireland, becoming less frequent further north. Common at Netherfield Lagoons, especially along the Trent, and in Nottinghamshire generally.
Best time to see
Mid-May to early September.