Over all length 35 - 39mm. Males are metallic green, the females less obviously so, with pale brown along the sides of the body. They perch with wings held half open and have a weak, fluttering flight.
They like sheltered pools with plenty of emergent vegetation.
Status and distribution
There is a small population around the gravel pits in sheltered, sunny spots. It is distributed through the whole of the British Isles and can be locally common.
Best time to see
Late June to early September.