Apidae Leach, 1815
Diadasia afflicta (Cresson, 1878)
Diadasia afflictula Cockerell, 1910
Diadasia albovestita Provancher, 1896
Diadasia andina (Holmberg, 1903)
Diadasia angusticeps Timberlake, 1939
Diadasia australis (Cresson, 1878)
Diadasia baeri (Vachal, 1904)
Diadasia baraderensis (Holmberg, 1903)
Diadasia bituberculata (Cresson, 1878)
Diadasia bosqi (Moure, 1947)
Diadasia chilensis (Spinola, 1851)
Diadasia consociata Timberlake, 1939
Diadasia diminuta (Cresson, 1878)
Diadasia distinguenda (Spinola, 1851)
Diadasia enavata (Cresson, 1872)
Diadasia friesei Cockerell, 1898
Diadasia hirta (Jörgensen, 1912)
Diadasia knabiana Cockerell, 1917
Diadasia laticauda Cockerell, 1905
Diadasia lutzi Cockerell, 1924
Diadasia lynchii (Brethes, 1910)
Diadasia martialis Timberlake, 1940
Diadasia megamorpha Cockerell, 1898
Diadasia mendozana (Brethes, 1910)
Diadasia mexicana Timberlake, 1956
Diadasia nigrifrons (Cresson, 1878)
Diadasia nitidifrons Cockerell, 1905
Diadasia ochracea (Cockerell, 1903)
Diadasia olivacea (Cresson, 1878)
Diadasia opuntiae Cockerell, 1901
Diadasia palmarum Timberlake, 1940
Diadasia patagonica (Brethes, 1910)
Diadasia pereyrae (Holmberg, 1903)
Diadasia piercei Cockerell, 1911
Diadasia rinconis Cockerell, 1897
Diadasia ruficruris (Vachal, 1909)
Diadasia sphaeralcearum Cockerell, 1905
Diadasia toluca (Cresson, 1878)
Diadasia tropicalis (Cockerell, 1918)
Diadasia tuberculifrons Timberlake, 1939
Diadasia vallicola Timberlake, 1940
Diadasia willineri (Moure, 1947)
