Family
Andrenidae (Mining bees)
Andrena cerasifolii. Photo: (c) Andrea Kreuzhage, some rights reserved (CC BY-NC)
The Andrenidae (commonly known as mining bees) are a large, nearly cosmopolitan family of solitary, ground-nesting bees. Most of the family’s diversity is located in temperate or arid areas (warm temperate xeric). It includes some enormous genera (e.g., Andrena with over 1300 species, and Perdita with over 700). One of the subfamilies, Oxaeinae, is so different in appearance that they were typically accorded family status, but careful phylogenetic analysis reveals them to be an offshoot within…