Yellow-faced bee
- kingdom: Animalia
- phylum: Arthropoda
- class: Insecta
- order: Hymenoptera
- family: Colletidae
- genus: Hylaeus
- species: Hylaeus modestus
Clinton- New Haven
- Sherman
- Stafford
- Woodbridge
Connecticut- Chicago
- Evergreen Park
- Monticello
Illinois- Knox
Indiana- Knoxville
Iowa- Bowling Green
Kentucky- Bar Harbor
Maine- Greenfield
- Holyoke
- West Concord
Massachusetts- Little Canada
- Plymouth
Minnesota- Raritan
- Somerville
- Victory Gardens
- Wanaque
New Jersey- Asheville
- Greensboro
North Carolina- Collingdale
- Colwyn
- Darby
- Folcroft
- Glenolden
- Media
- Millvale
- Norwood
- Sharon Hill
- Valley Green
Pennsylvania- Washington, D. C.
Washington, D.C.- Madison
Wisconsin
United States