Subfamily Hylaeinae
- Genus Hylaeus Fabricius, 1793
- Hylaeus bertonii (Schrottky, 1907)
- Hylaeus paradoxus (Schrottky, 1907)
- Hylaeus paraguayensis (Schrottky, 1906)
- Hylaeus polybiaeformis (Schrottky, 1907)
- Hylaeus rufulus (Friese, 1908)
- Hylaeus saltensis (Friese, 1908)
- Subgenus Gnathoprosopis Perkins, 1912
- Hylaeus (Gnathoprosopis) euxanthus (Cockerell, 1910)
- Subgenus Hylaeopsis Michener, 1954
- Hylaeus (Hylaeopsis) platensis Roig-Alsina, 2024
- Subgenus Spatulariella Popov, 1939
- Hylaeus (Spatulariella) punctatus (Brullé, 1832)
