Hexapods - insects see Epiclass Hexapoda Latreille, 1825
   Class Insecta Linnaeus, 1758 - insects
     Subclass Dicondylia Haeckel, 1866
       Infraclass Pterygota Lang, 1888
         Division Neoptera Martynov, 1923
           Subdivision Endopterygota Sharp, 1899 see [unranked] Holometabola
             Order Hymenoptera Linnaeus, 1758 - ants, bees, and wasps
               01 Family Agaonidae Walker, 1846
               02 Family Anaxyelidae Martynov, 1925 - anaxyelids
               03 Family Andrenidae Latreille, 1802
               04 Family Anthophoridae see Tribe Anthophorini Dahlbom, 1835
               05 Family Aphelinidae Thomson, 1876
               06 Family Apidae Latreille, 1802
               07 Family Argidae Konow, 1890
               08 Family Aulacidae Shuckard, 1841
               09 Family Bethylidae Forster, 1856
               10 Family Braconidae Nees, 1811
               11 Family Bradynobaenidae (Saussure, 1892)
               12 Family Cephidae Newman, 1834 - stem sawflies
               13 Family Ceraphronidae (Haliday, 1833)
               14 Family Chalcididae Latreille, 1817
               15 Family Charipidae Dalla Torre & Kieffer, 1910 see Subfamily Charipinae Dalla Torre & Kieffer, 1910
               16 Family Chrysididae Latreille, 1802 - cuckoo wasps
               17 Family Cimbicidae Kirby, 1837
               18 Family Colletidae Lepeletier de Saint Fargeau, 1841
               19 Family Cynipidae Latreille, 1802 - gall wasps
               20 Family Diapriidae
               21 Family Diprionidae Rohwer, 1910
               22 Family Dryinidae Haliday, 1833
               23 Family Elasmidae Förster, 1856
               24 Family Embolemidae (Forster, 1856)
               25 Family Encyrtidae Walker, 1837
               26 Family Eucharitidae Walker, 1846
               27 Family Eucoilidae Thomson, 1862 see Subfamily Eucoilinae Thomson, 1862
               28 Family Eulophidae Westwood, 1829
               29 Family Eupelmidae Walker, 1833
               30 Family Eurytomidae Walker, 1832
               31 Family Evaniidae Latreille, 1802
               32 Family Figitidae Thomson, 1862
               33 Family Formicidae Latreille, 1809 - ants
               34 Family Gasteruptiidae (Ashmead, 1900)
               35 Family Halictidae Thomson, 1869, nom. protect.
               36 Family Heloridae Forster, 1856
               37 Family Ibaliidae Thomson, 1862
               39 Family Ichneumonidae Latreille, 1802