What Bee Am I?

I've tried to identify this bumblebee but I can't seem to find it in my Field Guide so can anyone help me please? I've not seen this bee in our garden before, we're in Cumbria if that helps anyone with identification.

This bee is on the same plant I used for my very first blip but the flowers are now full of holes as you can see. The crafty bees make a hole in the flowers to get to the nectar, I sat and watched this one do just that on several flowers! I don't mind as I love bees and I'm thrilled to see them using my garden for food :-)

Now I am determined to save up for a macro lens as I know I'd get a much better close up of these furry critters ;-)