The Banded Demoiselle
This species is one of two Demoiselles that occur in the United Kingdom. It is very appropriately named and is easily identifiable from the Beautiful Demoiselle by the distinct dark bands on the wings which resemble an inky thumb print.
This is a species of slow flowing rivers but can also be seen on canals, streams and even still waters that are adjacent to the rivers in which they breed.
They appear on the wing from early / mid May in the recent warm springs right through to mid September. It emerges up to two weeks later than the Beautiful Demoiselle but often frequents the same territory.
The males are very easy to identify, The Banded Demoiselle has a dark coloured band across its wings while the Beautiful variety has fully coloured wings. Both species have a vivid blue / green abdomen and thorax.
The females however are a far greater challenge to identify and tell apart. The female Banded Demoiselle has green wings that retain a greater clarity and a metallic green body. However the Beautiful Demoiselle has bronze wings and a metallic green body which turns a bronze hue with age.
It is best to identify the female demoiselle in the company of the male of the species to avoid unnecessary confusion.