| Scientific Name | TSN | Taxon Author | Common Name | Name Source | Usage | Reason (ITIS) | Taxon Rank |
|---|
| Diglossa albilatera | 559777 | Lafresnaye, 1843 | White-sided Flowerpiercer | ITIS | valid | | Species |
| Diglossa baritula | 559778 | Wagler, 1832 | Picaflor canelo Cinnamon-bellied Flowerpiercer | ITIS | valid | | Species |
| Diglossa brunneiventris | 559779 | Lafresnaye, 1846 | Black-throated Flowerpiercer | ITIS | valid | | Species |
| Diglossa carbonaria | 559780 | (d'Orbigny & Lafresnaye, 1838) | Grey-bellied Flowerpiercer | ITIS | valid | | Species |
| Diglossa duidae | 559781 | Chapman, 1929 | Scaled Flowerpiercer | ITIS | valid | | Species |
| Diglossa gloriosa | 559782 | Sclater & Salvin, 1870 | Merida Flowerpiercer | ITIS | valid | | Species |
| Diglossa gloriosissima | 559783 | Chapman, 1912 | Chestnut-bellied Flowerpiercer | ITIS | valid | | Species |
| Diglossa humeralis | 559784 | (Fraser, 1840) | Black Flowerpiercer | ITIS | valid | | Species |
| Diglossa lafresnayii | 559785 | (Boissonneau, 1840) | Glossy Flowerpiercer | ITIS | valid | | Species |
| Diglossa major | 559786 | Cabanis, 1849 | Greater Flowerpiercer | ITIS | valid | | Species |
| Diglossa mystacalis | 559787 | Lafresnaye, 1846 | Moustached Flowerpiercer | ITIS | valid | | Species |
| Diglossa plumbea | 559788 | Cabanis, 1861 | Slaty Flowerpiercer | ITIS | valid | | Species |
| Diglossa sittoides | 559789 | (d'Orbigny & Lafresnaye, 1838) | Rusty Flowerpiercer | ITIS | valid | | Species |
| Diglossa venezuelensis | 559790 | Chapman, 1925 | Venezuelan Flowerpiercer | ITIS | valid | | Species |
