Banded Demoiselle?

Banded Demoiselle?

Observation - Banded Demoiselle? . Description: What I think was a banded demoiselle was in my sister's back garden today. The garden backs onto one of the branches of the river Lee in Enfield

What I think was a banded demoiselle was in my sister's back garden today. The garden backs onto one of the branches of the river Lee in Enfield