Osmia pumila
- kingdom: Animalia
- phylum: Arthropoda
- class: Insecta
- order: Hymenoptera
- family: Megachilidae
- genus: Osmia
- species: Osmia pumila
- New Haven
Connecticut- Bellefonte
- Brookside
- Edgemoor
- Newark
Delaware- Porter
Indiana- Carter Lake
Iowa- Accokeek
- Bartonsville
- Beltsville
- Bladensburg
- Brooklyn Park
- Brookmont
- Cabin John
- Cheverly
- Chevy Chase
- Chevy Chase Village
- Chillum
- Cloverly
- Colesville
- College Park
- Colmar Manor
- Columbia
- Cottage City
- Crofton
- Denton
- Dunkirk
- Dunkirk Town Center
- Easton
- Edmonston
- Ellicott City
- Fort Washington
- Four Corners
- Frederick
- Friendship Village
- Gaithersburg
- Glenn Dale
- Greenbelt
- Hyattsville
- Landover
- Landover Hills
- Langley Park
- Lexington Park
- Linganore
- Long Beach
- Manchester
- Maryland City
- Mayo
- Mount Airy
- Perryman
- Riva
- Riverdale Park
- Riverside
- Salisbury
- Selby-on-the-Bay
- Silver Spring
- Snow Hill
- Somerset
- Spring Ridge
- Takoma Park
- Towson
- University Park
- Williamsport
- Woodlawn
Maryland- Arlington
- South Hadley
Massachusetts- Belville
- Fremont
- Goldsboro
- Rocky Point
- Wilmington
- Wrightsville Beach
North Carolina- Newport
Ohio- Collingdale
- Colwyn
- Darby
- King of Prussia
- Milford
- Sharon Hill
Pennsylvania- Crozet
- Fort Hunt
- Madison
- Wolf Trap
- Woodbridge
Virginia- Parsons
- Pennsboro
- Saint Marys
- Shannondale
West Virginia
United States