Alfalfa leafcutting bee
- kingdom: Animalia
- phylum: Arthropoda
- class: Insecta
- order: Hymenoptera
- family: Megachilidae
- genus: Megachile
- species: Megachile rotundata
Klagenfurt am Wörthersee- Maria Saal
Carinthia- Kirchbach in Steiermark
Styria
Austria
Melfort
Saskatchewan
Canada
Langsur- Oberbillig
- Palzem
Rheinland-Pfalz
Germany
Bettembourg
03
Luxembourg
Agoura Hills
California- Evergreen Park
- Lincolnwood
- Skokie
- Wilmette
Illinois- Bloomington
- Kokomo
- Porter
Indiana- Knoxville
Iowa- Beltsville
- Berwyn Heights
- Bladensburg
- Boonsboro
- Brentwood
- Brooklyn Park
- Brookmont
- Cambridge
- Chevy Chase
- Chevy Chase Village
- Chillum
- College Park
- Colmar Manor
- Cottage City
- East Riverdale
- Easton
- Edmonston
- Frederick
- Friendship Village
- Hagerstown
- Halfway
- Hyattsville
- Keedysville
- Langley Park
- Lanham
- Maryland City
- Mitchellville
- Mount Airy
- Mount Rainier
- New Carrollton
- Riverdale Park
- Somerset
- Springdale
- Takoma Park
- Towson
- University Park
- Williamsport
- Woodlawn
Maryland- South Boston
- West Concord
Massachusetts- Plymouth
Minnesota- Phillipsburg
- Prospect Park
- Smithville
- Wanaque
New Jersey- Collingdale
- Colwyn
- Darby
- Ebensburg
- Grantley
- Philadelphia
- Sharon Hill
Pennsylvania- Newport
Rhode Island- Rapid City
South Dakota- Taylorsville
Utah- Lovettsville
- Wolf Trap
- Woodbridge
Virginia- Washington, D. C.
Washington, D.C.- Madison
Wisconsin
United States