buff-tailed bumble bee on knapweed

buff-tailed bumble bee on knapweed

Observation - buff-tailed bumble bee on knapweed - UK and Ireland. Description: bumble bee with two yellow bands and 'buff' tail. I am not sure of this ID and would welcome feedback/features to look for.

bumble bee with two yellow bands and 'buff' tail. I am not sure of this ID and would welcome feedback/features to look for.