| Trichoxys pellitus (White, 1855) |
| Trichoxys penrosei Lingafelter & Wappes, 2012 |
| Trichoxys rubripes (White, 1855) |
| Trichoxys sulphurifer (Chevrolat, 1860) |
| Trichoxys viridicollis (Chevrolat, 1860) |
| Trichoxys vitticollis (Laporte & Gory, 1836) |
| Trichoxys westwoodi (Chevrolat, 1860) |
| Tropidina Martins & Galileo, 2007 |
| Tropimerus Giesbert, 1987 |
| Tropimerus cyaneus Giesbert, 1987 |
| Trypanidius Blanchard, 1843 |
| Trypanidius kitayamai Bezark, 2019 |
| Trypanidius mexicanus Thomson, 1860 |
| Tucales Gounelle, 1908 |
| Tucales franciscus (Thomson, 1857) |
| Tulcus Dillon & Dillon, 1945 |
| Tulcus lycimnius (Dillon & Dillon, 1945) |
| Tybalmia Thomson, 1868 |
| Tybalmia funeraria Bates, 1880 |
| Tylcus Casey, 1912 |