One bright morning recently saw a row of elegant sapphire damsel-flies aligned on parallel grass-blades sunning themselves. They didn’t hang around for the photo-call, but this splendidly barbaric cousin did.
Prosaically, he – the males usually being the highly coloured ones – is known as a Common Hawker (or Aeshna juncea).
The ID comes from a very informative site – Dragonfly Ireland
Apart from much detail on species and habitats, there is a link to the National BioDiversity species recording pages.
Another good place for checking on smaller garden wildlife – also an Irish site – is