Scientific name: Calopteryx virgo
Size: Wingspan up to 70mm
Distribution: Found in many parts of the UK. Absent from Northern Ireland
Months seen: Late May to September
Life Span: Approximately 2 years, most of which is spent in the aquatic larval stage
Habitat: Fast flowing rivers and streams
Food: Insects (which are caught on the wing)
Special features: Female beautiful demoiselles have a metallic green coloured body with a brownish tip. The wings are brown with a white spot near the end of each wing.
Male beautiful demoiselles have metallic blue-green bodies and purple-brown wings with blue veins. The wings become more blue with age.