| Acanthagrion yungarum | USNM | 1975-05-17 19:00:00 | 65 Km W. Lago Agrio, roadside pond |
| Acanthagrion yungarum | USNM | 1976-02-01 19:00:00 | 12 Km E. Puyo |
| Acanthagrion yungarum | USNM | 1995-06-13 19:00:00 | Loreto, 38.9 Km W on Loreto Rd., pond |
| Acanthagrion yungarum | USNM | 1976-02-01 19:00:00 | 12 Km E. Puyo |
| Acanthagrion yungarum | USNM | 1995-06-06 19:00:00 | El Chaco, 28.3 Km N on Hwy.45, adjacent to Rio Quijos, marsh borrow pit |
| Acanthagrion yungarum | USNM | 1997-11-08 19:00:00 | Cuasha, approx. 4 km. N. (94 km. n. of Sucula), cut grass pond |
| Acanthagrion yungarum | USNM | 1977-05-10 19:00:00 | 39 km NE Puyo |
| Acanthagrion yungarum | USNM | 1996-07-14 19:00:00 | Loreto, 43.5 Km W on Loreto Rd., seep near large rocky river |
| Acanthagrion yungarum | USNM | 1995-06-06 19:00:00 | El Chaco, 28.3 Km N on Hwy.45, adjacent to Rio Quijos, marsh borrow pit |
| Acanthagrion yungarum | USNM | 1975-05-06 19:00:00 | 29 km W of Santo Domingo de los Colorados |
| Acanthagrion yungarum | USNM | 1977-05-10 19:00:00 | 39 km NE Puyo |
| Acanthagrion yungarum | USNM | 1995-06-13 19:00:00 | Loreto, 34 Km W on Loreto Rd., pond |