| Genus | Afroheriades
Peters, 1970
| 12 | Species |
| Genus | Andronicus
Cresson, 1864 ⇒ Hoplitis
| 2 | Species |
| Genus | Ashmeadiella
Cockerell, 1897
| 117 | Species |
| Genus | Atoposmia
Cockerell, 1935 ⇒ Hoplitis
| 46 | Species |
| Genus | Chalcosmia
Schmiedeknecht, 1885 ⇒ Osmia
| 1 | Species |
| Genus | Chelostoma
Latreille, 1809
Scissor Bees | 105 | Species |
| Genus | Haetosmia
Popov, 1952
| 10 | Species |
| Genus | Heriades
Spinola, 1808
Armored-Resin Bees, Resin Bees | 387 | Species |
| Genus | Hofferia
Tkalcu, 1984
| 6 | Species |
| Genus | Hoplitella
Cockerell, 1910 ⇒ Hoplitis
| 1 | Species |
| Genus | Hoplitis
Klug, 1807 ⇒ Harpyia
Lesser Masons, Small Mason Bees | 608 | Species |
| Genus | Hoplosmia
Thomson, 1872
| 27 | Species |
| Genus | Monumetha
Cresson, 1862 ⇒ Hoplitis
| 3 | Species |
| Genus | Ochreriades
Mavromoustakis, 1956
| 3 | Species |
| Genus | Osmia
Panzer, 1806
Mason bee, Mason Bees | 1248 | Species |
| Genus | Othinosmia
Michener, 1943
| 14 | Species |
| Genus | Protosmia
Ducke, 1900
Chelostomopsis | 43 | Species |
| Genus | Pseudoheriades ♰
Peters, 1970
| 18 | Species |
| Genus | Robertsonella
Titus, 1904 ⇒ Hoplitis
| 6 | Species |
| Genus | Stenoheriades ♰
Tkalcu, 1984
| 20 | Species |
| Genus | Stenosmia
Michener, 1941
| 14 | Species |
| Genus | Titusella
Cockerell, 1906 ⇒ Ashmeadiella
| 2 | Species |
| Genus | Wainia
Tkalcu, 1980
| 18 | Species |
| Genus | Xeroheriades
Griswold, 1986
| 1 | Species |
