No interactions present.
You are correct but have made a typo on an OLD scientific name. You should do a revised ID using Ochlodes sylvanus.
Chris Brooks - www.dragonfly-images.co.uk
My Flickr site - www.flickr.com/photos/ceb1298
The hoverfly is a Xylota species and almost certainly Xylota sylvarum. A nice one!
My Flickr photos...
Lat/Lng: 50.8891, -2.8153
OS grid ref: ST427102