Name: Banded Demoiselle
Scientific name: Calopteryx splendens
Nature Stars: 40
About: A large robust damselfly, about 8cm long. Males are metallic blue with broad dark blue patches on each wing, females are metallic green with pale greenish wings. Lives along the edges of slow-flowing rivers and canals amongst lush vegetation. Males are very territorial, displaying at each other and at females with their banded wings. On the wing from May to August.
How to identify: The similar Beautiful Demoiselle lives on smaller, faster-flowing rivers in the west of the country, and differs by having almost entirely dark metallic wings.
Where: England, Wales and Northern Ireland.
Fantastic fact: Females lay their eggs by injecting them into plant stems under the surface of the water.
Photograph credit: Bruce Shortland