In person is more white, for some reason on photos it looks a bit yellow...never saw white bee/bumble bee...?
Could this be something other then an American Bumblebee.
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A bumblebee is any member of the bee genus Bombus, in the family Apidae. There are over 250 known species, existing primarily in the Northern Hemisphere although they also occur in South America. They have been introduced to New Zealand and the Australian state of Tasmania.