External link - taxa
| Monoctenus kondoi Hara, 2023 | |
| Monoctenus cryptomeriae Togashi, 2001 | |
| Monoctenus decoratus Takeuchi, 1940 | |
| Monoctenus fujisanus Togashi, 2001 | |
| Monoctenus itoi Okutani, 1958 | |
| Monoctenus nipponicus Takeuchi, 1940 | |
| Monoctenus obscuratus obscuratus (Hartig, 1837) | |
| Monoctenus obscuratus hokkaidonis Hara, 2023 |