| leptothorax ambiguus | | Canada: Ontario, St. Williams Conservation Reserve, Oak Savannah | | 758374550 |
| leptothorax ambiguus | | Canada: Ontario, Point Pelee National Park, Cactus Field, Cedar / Savannah | | 602179568 |
| leptothorax ambiguus | | Canada: Ontario, Point Pelee National Park, Cactus Field, Cedar / Savannah | | 594613115 |