| Trepobaris perlonga Champion, 1909 |
| Trepobaris yucatana Champion, 1909 |
| Trichacorynus Blatchley, 1916 |
| Trichacorynus protractus (Horn, 1873) |
| Trichobaris LeConte, 1876 |
| Trichobaris championi Barber, 1935 |
| Trichobaris compacta Casey, 1892 |
| Trichobaris cylindrica Casey, 1892 |
| Trichobaris major Barber, 1935 |
| Trichobaris mucorea (LeConte, 1858) |
| Trichobaris pellicea (Boheman, 1844) |
| Trichobaris pueblana Casey, 1920 |
| Trichobaris soror Champion, 1909 |
| Trichobaris texana LeConte, 1876 |
| Trichobaris trinotata (Say, 1831) |
| Trichodirabius Casey, 1920 |
| Trichodirabius indutus Casey, 1920 |
| Tricolus Blandford, 1905 |
| Tricolus aciculatus Wood, 1974 |
| Tricolus amplus Wood, 1974 |