''Macrotera opuntiae'', the sandstone mining bee, is a species of bee in the family

Andrenidae 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 gener ...

. It is found in North America.

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