No interactions present.
You have also got two Eristalis hoverflies...probably E. tenax, from the size, colour and thick set shape.
My Flickr photos...
Many thanks for the really helpful info about the hoverflies, ophrys. The ragwort was teeming with various insects; it's great to have this extra ID - a real bonus! Thank you!
Lat/Lng: 51.25924, -2.64878
OS grid ref: ST548513