Lasioglossum illinoense
- kingdom: Animalia
- phylum: Arthropoda
- class: Insecta
- order: Hymenoptera
- family: Halictidae
- genus: Lasioglossum
- species: Lasioglossum illinoense
New Haven
Connecticut- Bellefonte
- Edgemoor
- Greenville
- Wilmington
Delaware- Wilmette
Illinois- Brownstown
- Porter
Indiana- Adelphi
- Bartonsville
- Beltsville
- Berwyn Heights
- Bladensburg
- Boonsboro
- Bowie
- Brentwood
- Brock Hall
- Calverton
- Cheverly
- Chevy Chase
- Chevy Chase Village
- Chillum
- College Park
- Colmar Manor
- Cottage City
- Drum Point
- Dundalk
- Dunkirk
- Dunkirk Town Center
- East Riverdale
- Easton
- Edmonston
- Fort Meade
- Friendship Village
- Glenn Dale
- Greenbelt
- Highfield-Cascade
- Hunt Valley
- Hyattsville
- Landover
- Landover Hills
- Langley Park
- Lanham
- Manchester
- Maryland City
- Mitchellville
- Mount Airy
- Mount Rainier
- New Carrollton
- Pikesville
- Riverdale Park
- Somerset
- Spring Ridge
- Springdale
- Takoma Park
- Towson
- University Park
- White Marsh
- Woodlawn
Maryland- Gulf Park Estates
Mississippi- Pennsville
New Jersey- Elmira
- Shelter Island
New York- Cordova
North Carolina- Myrtle Beach
South Carolina- Lovettsville
Virginia- Washington, D. C.
Washington, D.C.- Elkins
- Williamstown
West Virginia
United States