| Piestus imperfectus | KU | 1996-02-16 19:00:00 | Sierra Azul, Hacienda Aragon |
| Piestus imperfectus | KU | 1999-10-26 19:00:00 | Maquipucuna Biological Station, River Trail |
| Piestus imperfectus | KU | 1999-10-26 19:00:00 | Maquipucuna Biological Station |
| Piestus imperfectus | KU | 1999-10-26 19:00:00 | Maquipucuna Biological Station |
| Piestus imperfectus | KU | 1999-10-27 19:00:00 | Nanegalito, 7 km S |
| Piestus imperfectus | KU | 1999-10-26 19:00:00 | Maquipucuna Biological Station, Principal Trail |
| Piestus imperfectus | KU | 1996-04-17 19:00:00 | Quito, 45 km NNW, Macquipucuna Station |
| Piestus imperfectus | KU | 1999-10-26 19:00:00 | Maquipucuna Biological Station |
| Piestus imperfectus | KU | 1999-03-25 19:00:00 | Mindo, 10.6 km W, Mindo Road |
| Piestus imperfectus | KU | 1996-04-02 19:00:00 | Quito, 45 km NNW, Macquipucuna Station |
| Piestus imperfectus | KU | 1999-10-26 19:00:00 | Maquipucuna Biological Station, Principal Trail |
| Piestus imperfectus | KU | 1996-02-16 19:00:00 | Sierra Azul, Hacienda Aragon |
| Piestus imperfectus | KU | 1999-03-25 19:00:00 | Mindo, 10.6 km W, Mindo Road |
| Piestus imperfectus | KU | 1999-10-26 19:00:00 | Maquipucuna Biological Station, Principal Trail |
| Piestus imperfectus | KU | 1999-10-26 19:00:00 | Maquipucuna Biological Station |
| Piestus imperfectus | KU | 1996-04-02 19:00:00 | Quito, 45 km NNW, Macquipucuna Station |
| Piestus imperfectus | KU | 1996-04-02 19:00:00 | Quito, 45 km NNW, Macquipucuna Station |
| Piestus imperfectus | KU | 1999-10-26 19:00:00 | Maquipucuna Biological Station, Principal Trail |
| Piestus imperfectus | KU | 1999-10-27 19:00:00 | Bellavista Reserve, Ridge Trail, 12 km S Nanegalito |
| Piestus imperfectus | KU | 1999-10-26 19:00:00 | Maquipucuna Biological Station, Principal Trail |
| Piestus imperfectus | KU | 1999-11-05 19:00:00 | Cosanga, 4.2 km S on Baeza-Tena Road then 2.9 km W on pipeline access road |