Andrena pertristis

Andrena pertristis, also known as the sad miner bee, is a species of miner bee in the family Andrenidae. It is found in North America.

Subspecies
These two subspecies belong to the species Andrena pertristis:
 * Andrena pertristis carliniformis Viereck & Cockerell, 1914
 * Andrena pertristis pertristis Cockerell, 1905 (black mournful miner)