Western Bumble Bee is a medium-sized bumble bee. It has a short head and a band of yellow hair across the thorax in front of the base of the wings. The tip of the abdomen is almost always white and the rest of the abdomen varies in colour. The subspecies found in the Northwest Territories (NWT) is the northern long-haired subspecies mckayi.
Check out the Field Guide to Bumble Bees of the Northwest Territories.