Bombus fervidus (Yellow Bumblebee) is a species of Hymenoptera in the family Apidae. They are listed as vulnerable by IUCN. They are native to The Nearctic. They visit flowers of lesser knapweed, Red Clover, wild bergamot, and Highbush blueberry. They are diurnal herbivores. Individuals can grow to 20 mm. They rely on flight to move around.