Ichneumon ultimus
- kingdom: Animalia
- phylum: Arthropoda
- class: Insecta
- order: Hymenoptera
- family: Ichneumonidae
- genus: Ichneumon
- species: Ichneumon ultimus
West Concord
Massachusetts- East Garden City
- Salisbury
New York- Millvale
Pennsylvania- Arcadia
- Fairforest
South Carolina
United States