Brachymyrmex obscurior
- kingdom: Animalia
- phylum: Arthropoda
- class: Insecta
- order: Hymenoptera
- family: Formicidae
- genus: Brachymyrmex
- species: Brachymyrmex obscurior
Olds
Alberta
Canada
Yuma
Arizona- Big Pine Key
- Key West
- Marathon
- North Key Largo
Florida
United States