| Genus | Agapanthinus
LaBerge, 1957
| 2 | Species |
| Genus | Alloscirtetica
Holmberg, 1903
| 47 | Species |
| Genus | Canephorula
Jørgensen, 1909
| 1 | Species |
| Genus | Cemolobus
Robertson, 1902
| 1 | Species |
| Genus | Cubitalia
Friese, 1911 ⇒ Eucera
| 8 | Species |
| Genus | Dithygater
Moure & Michener, 1955
| 1 | Species |
| Genus | Eucera
Scopoli, 1770
Long-Horned Bees, Miner Bees | 497 | Species |
| Genus | Florilegus
Robertson, 1900
| 17 | Species |
| Genus | Gaesischia
Michener, LaBerge & Moure, 1955
| 38 | Species |
| Genus | Gaesochira
Moure & Michener, 1955
| 3 | Species |
| Genus | Hamatothrix
Urban, 1989
| 1 | Species |
| Genus | Lophothygater
Moure & Michener, 1955
| 3 | Species |
| Genus | Martinapis
Cockerell, 1929
| 3 | Species |
| Genus | Megascirtetica
Moure & Michener, 1955 ⇒ Alloscirtetica
| 1 | Species |
| Genus | Melissodes
Latreille, 1829 ⇒ Martinapis
Long-horned Bee | 451 | Species |
| Genus | Melissoptila
Holmberg, 1884
| 62 | Species |
| Genus | Micronychapis
Moure & Michener, 1955
| 1 | Species |
| Genus | Mirnapis
Urban, 1998
| 2 | Species |
| Genus | Notolonia
Popov, 1962
| 1 | Species |
| Genus | Pachysvastra
Moure & Michener, 1955
| 2 | Species |
| Genus | Peponapis
Robertson, 1902
Squash Bees | 17 | Species |
| Genus | Platysvastra
Moure, 1967
| 1 | Species |
| Genus | Protohalonia
Dorchin, 2018
| 3 | Species |
| Genus | Santiago
Urban, 1989
| 2 | Species |
| Genus | Simanthedon
Zavortink, 1975
| 1 | Species |
| Genus | Svastra
Holmberg, 1884
| 52 | Species |
| Genus | Svastrides
Michener, LaBerge & Moure, 1955
| 5 | Species |
| Genus | Svastrina
Moure & Michener, 1955
| 3 | Species |
| Genus | Syntrichalonia
LaBerge, 1957
Exquisite Long-horned Bee | 2 | Species |
| Genus | Tetralonia
Spinola, 1839
| 524 | Species |
| Genus | Tetraloniella
Ashmead, 1899 ⇒ Xenoglossodes
| 157 | Species |
| Genus | Thygater
Holmberg, 1884
| 40 | Species |
| Genus | Trichocerapis
Cockerell, 1904
| 5 | Species |
| Genus | Ulugombakia
Baker, 2003
| 1 | Species |
| Genus | Xenoglossa
Smith, 1854
Large Squash Bees | 28 | Species |
