| Cephalotes umbraculatus | CAS | 2003-12-09 19:00:00 | 1 km SW Archidona - W side of Rio Misahualli |
| Cephalotes umbraculatus | CAS | 2003-12-08 19:00:00 | 3 km NNE Archidona |
| Cephalotes umbraculatus | | | |
| Cephalotes umbraculatus | | 2005-07-04 19:00:00 | Yasuni, Parque Nacional Yasuni |
| Cephalotes umbraculatus | | 2005-07-04 19:00:00 | Yasuni, Parque Nacional Yasuni |
| Cephalotes umbraculatus | | 2005-07-04 19:00:00 | Yasuni, Parque Nacional Yasuni |
| Cephalotes umbraculatus | | 2005-07-04 19:00:00 | Yasuni, Parque Nacional Yasuni |
| Cephalotes umbraculatus | | 2005-07-04 19:00:00 | Yasuni, Parque Nacional Yasuni |
| Cephalotes umbraculatus | | | Cuenca alta del rio Napo entre rios Arajuno y Puni, Estacion Jatun Sacha |