Gelis tenellus
- kingdom: Animalia
- phylum: Arthropoda
- class: Insecta
- order: Hymenoptera
- family: Ichneumonidae
- genus: Gelis
- species: Gelis tenellus
Sault Ste. Marie
Ontario
Canada
Los Angeles- Pleasanton
California- Baltimore
Maryland- Greenfield
- West Concord
Massachusetts- Sault Ste. Marie
Michigan- Dexter
New York- Asheville
North Carolina- Millvale
Pennsylvania
United States