I have been having some difficulty with these larger dragonfly, this late in the year I usually see the odd Brown Hawker and the abundant Common Darter but over the last few weeks I have been seeing a number of greenish blue dragonfly. At first I assumed these were Emperors however their flight behaviour and size didn't seem to fit. I tried getting closer views but none seemed to help.
If they weren't Emperors which I only see in small numbers in high summer then that left perhaps Common Hawkers or Southern Hawkers. Then today I came across a pair of dragonfly locked together in mating in perfect sight. I took several photos and even a short video clip.
The images were perfect for identification showing clearly the eyes, thorax and key colours on the abdominal segments.
Its hawking pattern following a pattern is similar to that of the Emperor but it periodically breaks off and will hunt higher and deviate more from its path, fitting the behaviour I had noted. This is the first time I have managed to confirm a new dragonfly species on the site and I will have to review my notes from last year to see if some mis-identifications may have crept in.