wild edgesThe north west of south east WalesPosts: 8,888
Could be a female hairy-footed flower bee. There was a useful feature about them in the March 2019 Buzzword magazine and your bee fits the bill. I planted some Pulmonaria last year to try and attract them as it's their preferred plant but no sign yet.
AdRock
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https://www.bbc.co.uk/news/av/uk-england-oxfordshire-23705082/rare-black-bumblebee-found-in-oxfordshire