Megachilidae Schenk, 1860
Dianthidium anophrys Griswold & Michener, 1988
Dianthidium arizonicum Rohwer, 1916
Dianthidium bohartorum Griswold & Michener, 1988
Dianthidium chamela Griswold & Michener, 1988
Dianthidium concinnum (Cresson, 1872)
Dianthidium cressonii (Dalla Torre, 1896)
Dianthidium curvatum (Smith, 1854)
Dianthidium desertorum Timberlake, 1943
Dianthidium discophorum Griswold & Michener, 1988
Dianthidium discors Timberlake, 1948
Dianthidium dubium Schwarz, 1928
Dianthidium floridiense Schwarz, 1926
Dianthidium haematurum Cockerell, 1932
Dianthidium heterulkei Schwarz, 1940
Dianthidium implicatum Timberlake, 1948
Dianthidium macrurum Cockerell, 1913
Dianthidium marshi Grigarick & Stange, 1964
Dianthidium opacifrons Cockerell, 1932
Dianthidium parkeri Grigarick & Stange, 1964
Dianthidium parvum (Cresson, 1878)
Dianthidium platyurum Cockerell, 1923
Dianthidium plenum Timberlake, 1943
Dianthidium pudicum (Cresson, 1879)
Dianthidium rossi Timberlake, 1949
Dianthidium simile (Cresson, 1864)
Dianthidium singulare (Cresson, 1879)
Dianthidium sonorum (Michener, 1942)
Dianthidium subparvum Swenk, 1914
Dianthidium subrufulum Timberlake, 1943
Dianthidium texanum (Cresson, 1878)
Dianthidium ulkei (Cresson, 1878)
