Two of these small bees seem to be using my bee house - independently, not 'socially'
No interactions present.
Now known as Osmia bicornis, otherwise I believe you are correct.
Chris Brooks - www.dragonfly-images.co.uk
My Flickr site - www.flickr.com/photos/ceb1298
Wow - chuffed about that, I struggle with most invertebrates so chuffed that I might have got this one nailed! Used the scientific name from ispot, I guess it's not been updated yet? Thanks Chris
Feel free to look at my ongoing (hopefully improving) collection of pictures on Flickr:
Lat/Lng: 53.7, -0.4
OS grid ref: TA0831