Hoverfly coming to flowers
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interruptus has reverted to nemorum, now, strictly. The smudgy stigma on the wing rules it out, here, anyway. Probably arbustorum, as you say, but...
My Flickr photos...
I think it is better just to add a comment, really, Roger, rather than another ID the same as the one already there.
iSpot etiquette, don't you know! ;)
Lat/Lng: 50.8, -1.4
OS grid ref: SU4205