Damselflies mating

Damselflies mating

Observation - Damselflies mating - UK and Ireland. Description: Could someone ID these for me please? There are so many species that look similar - I don't want to get the wrong one! They were spotted in the reeds next to an inland freshwater lake.

Could someone ID these for me please? There are so many species that look similar - I don't want to get the wrong one!
They were spotted in the reeds next to an inland freshwater lake.