This Dragonfly with 10cm wing span and 8cm long body posed for a photograph on the hedge adjacent to my garden pond. I think it is a female Emperor Dragonfly (Anax imperator) Perhaps someone can confirm this for me.

from Steve Stevens: 25 July 2020

29 July: Thank you to David Hastings and Tony Rayner who have both provided a provided more confident identification as an immature male Southern Hawker.