Four spotted chaser?

Four spotted chaser?

Observation - Four spotted chaser? - UK and Ireland. Description: I'm guessing its a four-spotted chaser, though the spots seem more diffuse than in other individuals I've encountered?! could it be the praenubila type?

I'm guessing its a four-spotted chaser, though the spots seem more diffuse than in other individuals I've encountered?!

could it be the praenubila type?