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Do you know a ref to species or should I try diptera forum/info?
Jamie from Briantspuddle
I can't see detail of lower calypter or basicosta, so would leave it at genus. You could try the other sites, but I'm not sure anyone could be certain.
Simple key to some species...
My Flickr photos...
Thanks. Just remembered there is also a Naturalists Handbook which I can give a try.
Lat/Lng: 50.7, -2.3
OS grid ref: SY8193