A mining bee but not sure what species - possibly A.clarkella?
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Joe, you were clearly thinking that it could be this species, in future posts have a go at adding the ID yourself, at worst you'll be wrong but equally you might just be correct.
A lovely clear image by the way.
Chris Brooks - www.dragonfly-images.co.uk
My Flickr site - www.flickr.com/photos/ceb1298
Lat/Lng: 54.9788, -1.6249
OS grid ref: NZ241649