Coenagrion pulchellum.  (Vander Linden, 1825).  Variable Bluet.

A common, pale blue damselfly with a long and relatively thin abdomen, which

is found throughout most of Europe.  The immature male is pale blue, with

the female having both a green and a blue form, with a green thorax.

 

                                                     Lower Plataniotissa. Peloponnese. 27.5.16.

Both films from Vouraikos Gorge, peloponnese, Greece. 17.6.17.