No interactions present.
Very nice...one of those where the behaviour is as important to the ID as the physical appearance. Nice neat stigma on the wing though.
My Flickr photos...
Thanks Ian. I don't think Stubbs and Falk mention this behaviour unless in a later edition than mine.
"The most straightforward identification feature is the behaviour of the male, which will hover above a female feeding on a flower in a pose that is much-photographed"
'Britain's Hoverflies' by Stuart Ball and Roger Morris, Princeton 2013, p.194
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Lat/Lng: 51.439, -2.7792
OS grid ref: ST459713