Species of Fly or Bee

Species of Fly or Bee

Observation - Species of Fly or Bee - UK and Ireland. Description: I came across this specimen I'm unsure of it's common name or Latin name, after browsing through my collection of books on invertebrate, I still have no idea, any help would be appreciated.

I came across this specimen I'm unsure of it's common name or Latin name, after browsing through my collection of books on invertebrate, I still have no idea, any help would be appreciated.