Help with ID for this bumble bee - possible carder bee

Help with ID for this bumble bee - possible carder bee

Observation - Help with ID for this bumble bee - possible carder bee - UK and Ireland. Description: Observed Newport Wetlands Reserve, along one of the paths. The reserve is close to farmland. The weather was warm, humid but overcast. It was observed visiting thistle plants. I have tried to identify it against my books, which seem to point towards a ca

Observed Newport Wetlands Reserve, along one of the paths. The reserve is close to farmland. The weather was warm, humid but overcast. It was observed visiting thistle plants.
I have tried to identify it against my books, which seem to point towards a carder bee, but I am now stuck because the abdominal markings do not match any in my books.