| Acanthagrion obsoletum | USNM | 1990-09-11 19:00:00 | Pano |
| Acanthagrion obsoletum | USNM | 1996-07-21 19:00:00 | Puerto Napo, 5.3 Km E of Hwy. 45 on Jatun Sacha Rd., Rio Sinde |
| Acanthagrion obsoletum | USNM | 1990-09-11 19:00:00 | Pano |
| Acanthagrion obsoletum | USNM | 1995-06-11 19:00:00 | Parque Nac. Yasuni, 0.8 Km N. of Waorini Rd. on Yasuni Rd., palm swamp just S. of Rio Bogi 2 Este (Km marker 42.3) |
| Acanthagrion obsoletum | USNM | 1990-09-11 19:00:00 | Pano |
| Acanthagrion obsoletum | USNM | 1990-09-11 19:00:00 | Pano |
| Acanthagrion obsoletum | USNM | 1990-04-18 19:00:00 | Rio Arajuno, Camp Dayuma |
| Acanthagrion obsoletum | USNM | 1990-09-11 19:00:00 | Pano |
| Acanthagrion obsoletum | USNM | 1996-07-21 19:00:00 | Puerto Napo, 5.3 Km E of Hwy. 45 on Jatun Sacha Rd., Rio Sinde |
| Acanthagrion obsoletum | USNM | 1997-11-09 19:00:00 | Macas; 57 Km N on Hwy. 45 (80 Km N. of Sucua), Rio Pasanac, seapages |
| Acanthagrion obsoletum | USNM | 1990-09-11 19:00:00 | Pano |
| Acanthagrion obsoletum | USNM | 1990-09-11 19:00:00 | Pano |
| Acanthagrion obsoletum | USNM | 1990-09-11 19:00:00 | Pano |
| Acanthagrion obsoletum | USNM | 1990-09-11 19:00:00 | Pano |
| Acanthagrion obsoletum | USNM | 1995-06-12 19:00:00 | Payamino, 1.7 km. W. on Loreto Rd. from Coca Rd, stream pools and flowing shallow marsh |
| Acanthagrion obsoletum | USNM | 1990-09-11 19:00:00 | Pano |
| Acanthagrion obsoletum | USNM | 1996-07-20 19:00:00 | Puerto Napo, 19.3 Km S on Puyo Rd., bedrock stream |
| Acanthagrion obsoletum | USNM | 1990-09-11 19:00:00 | Pano |
| Acanthagrion obsoletum | USNM | 1997-11-05 19:00:00 | Yantzaza; 6.5 Km at Lil chicana |
| Acanthagrion obsoletum | USNM | 1997-11-11 19:00:00 | Puerto Napo, 5.3 Km E. at Rio Sindy, swamp and approx. 1/2 Km upstream |
| Acanthagrion obsoletum | USNM | 1997-11-04 19:00:00 | Zamora; 2 Km ENE, roadside ditches |