Fly/moth/caddisfly?

Fly/moth/caddisfly?

Observation - Fly/moth/caddisfly?. Description: Small insect, maybe 6mm in length. These were in my garden. There is no pond and I am not aware of any nearby. I have uploaded 7 photos because I think they all show one or more feature more clearly. They are almost certainly not the same insect. Th

Small insect, maybe 6mm in length. These were in my "garden". There is no pond and I am not aware of any nearby.

I have uploaded 7 photos because I think they all show one or more feature more clearly. They are almost certainly not the same insect. There seemed to be quite a few similar insects within an area of approx 5 sq metres. The 1st 4 photos are the same specimen and the 5th and 6th are most probably a different one but are of the same insect. The 7th may be the same as 5 and 6 but could easily be a different one.

They all look like the same species to me but I will happily separate the observations if there is a possibility they are different or it would be otherwise helpful.