Ptilothrix bombiformis
- kingdom: Animalia
- phylum: Arthropoda
- class: Insecta
- order: Hymenoptera
- family: Apidae
- genus: Ptilothrix
- species: Ptilothrix bombiformis
New Haven
Connecticut- Bellefonte
- Bridgeville
- Edgemoor
Delaware- Brownstown
- Highland
Indiana- Adelphi
- Arnold
- Baltimore Highlands
- Beltsville
- Berwyn Heights
- Bladensburg
- Bowie
- Brentwood
- Brooklyn Park
- Burtonsville
- Cabin John
- Calverton
- Chesapeake Ranch Estates
- Chevy Chase
- Chevy Chase Village
- Chillum
- College Park
- Colmar Manor
- Cottage City
- Drum Point
- Dundalk
- East Riverdale
- Easton
- Edmonston
- Fairland
- Friendship Village
- Glenarden
- Glenn Dale
- Hyattsville
- Langley Park
- Lanham
- Marlboro Meadows
- Maryland City
- Mellwood
- Mitchellville
- Mount Rainier
- New Carrollton
- Peppermill Village
- Riverdale Park
- Riverside
- Seabrook
- Somerset
- Springdale
- Stevensville
- Takoma Park
- Towson
- University Park
Maryland- Creve Coeur
Missouri- Bohemia
- East Islip
- Islip
- Sayville
- Shirley
- West Sayville
New York- Hillsborough
- Wingate
North Carolina- Folcroft
- Glenolden
- Media
- Norwood
- Sharon Hill
Pennsylvania- Port Royal
South Carolina- Denton
Texas- Washington, D. C.
Washington, D.C.- Romney
West Virginia
United States