That yellow in the back in sedum angelina (stonecrop) and is one of my favorite ground covers. I’ve not found a thing not to like about it.
But to the bee… One thing to notice on this one is the tongue. You can see not only the tongue, but also both of the maxilla. I’ve got a few nice shots of this on bumbles, but never on a honeybee. So this is a neat one! Plus in-flight is always neat…