| Onychobaris nicaraguensis Solari & Solari, 1906 |
| Onychobaris punctatissima Solari & Solari, 1906 |
| Onychobaris senecta Champion, 1909 |
| Onycholipini Wollaston, 1873 |
| Oopterinus Casey, 1892 |
| Oopterinus aeneopiceus Champion, 1903 |
| Oopterinus bactrianus Champion, 1903 |
| Oopterinus castaneipennis Champion, 1903 |
| Oopterinus championi Sleeper, 1954 |
| Oopterinus glabratus Champion, 1903 |
| Oopterinus laevigatus Champion, 1903 |
| Oopterinus piliferus Champion, 1903 |
| Ophryastes Germar, 1829 |
| Ophryastes argentatus LeConte, 1853 |
| Ophryastes aridus (Fall, 1910) |
| Ophryastes cinereus Fåhraeus, 1840 |
| Ophryastes constictus (Sharp, 1891) |
| Ophryastes decipiens LeConte, 1853 |
| Ophryastes depressirostris (Champion, 1911) |
| Ophryastes desertus (Horn, 1876) |