Andrena salicifloris, commonly known as the willow mining bee, is a bee in the genus Andrena. The bee ranges from Colorado to California and north to British Columbia, and often inhabits arid and alpine lands. The bee is often black or dark brown, and is sparsely coated with grayish hair on the thorax, legs and on the abdomen. The pollen basket is on most of the hind leg. The wings of the willow mining bee are smokey, and their veins are black.