Superfamily Apoidea Latreille, 1802
   Grade "spheciforms" - apoid wasps see Superfamily Apoidea Latreille, 1802
     Family Sphecidae Latreille, 1802 - sphecid wasps
       1 Subfamily Chloriontinae Fernald, 1905
       2 Subfamily Sceliphrinae Ashmead, 1899 (1815)
       3 Subfamily Stangeellinae Bohart & Menke, 1976
       4 Subfamily Sphecinae Latreille, 1802
       5 Subfamily Ammophilinae André, 1886