Andrena barbara
- kingdom: Animalia
- phylum: Arthropoda
- class: Insecta
- order: Hymenoptera
- family: Andrenidae
- genus: Andrena
- species: Andrena barbara
Beltsville- Bladensburg
- Cabin John
- Chevy Chase
- Chevy Chase Village
- Chillum
- College Park
- Colmar Manor
- Columbia
- Cottage City
- Denton
- Edgewater
- Elkton
- Fallston
- Fort Washington
- Friendship Village
- Havre de Grace
- Hyattsville
- Kensington
- Langley Park
- Linganore
- Mount Airy
- Pleasant Hills
- Princess Anne
- Riverdale Park
- Riverside
- Salisbury
- Silver Spring
- Somerset
- South Kensington
- South Laurel
- Takoma Park
- Towson
- University Park
- Woodlawn
Maryland- Cheraw
South Carolina- Wolf Trap
- Woodbridge
Virginia- Shannondale
West Virginia
United States