Another Bombus blurrybus, but definitely megabombus.
On hoary alyssum
Megamombus bumblebees, Bombus hortorum or Bombus ruderatus, all over the flowers of this planted Lithodora diffusa.
The bee was by the UW student farm. The bee was trying to get inside of the farm building probably to get to the flowers inside.
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.