Imperium naturæ C. Linnaeus, 1758 - nature
   Mundus Plinius - physical world
     naturalia - natural bodies
       Regnum Animale C. Linnaeus, 1758 - animal kingdom see Kingdom Animalia Linnaeus, 1758
         Class Insecta Linnaeus, 1758 - insects
           Order Hymenoptera Linnaeus, 1758 - ants, bees, and wasps
             Genus Apis Linnaeus, 1758
               01 Apis longicornis Linnaeus, 1758
               02 Apis tumulorum Linnaeus, 1758
               03 Apis clavicornis Linnaeus, 1758
               04 Apis centuncularis Linnaeus, 1758
               05 Apis cineraria Linnaeus, 1758
               06 Apis surinamensis Linnaeus, 1758
               07 Apis retusa Linnaeus, 1758
               08 Apis rufa Linnaeus, 1758
               09 Apis bicornis Linnaeus, 1758
               10 Apis truncorum Linnaeus, 1758
               11 Apis dentata Linnaeus, 1758
               12 Apis cordata Linnaeus, 1758
               13 Apis helvola Linnaeus, 1758
               14 Apis succincta Linnaeus, 1758
               15 Apis zonata Linnaeus, 1758
               16 Apis caerulescens Linnaeus, 1758
               17 Apis mellifera Linnaeus, 1758 - honey bee
               18 Apis subterranea C. Linnaeus, 1758, nom. illeg.
               19 Apis variegata Linnaeus, 1758
               20 Apis rostrata Linnaeus, 1758
               21 Apis manicata Linnaeus, 1758
               22 Apis 4-dentata Linnaeus, 1758
               23 Apis florisomuis Linnaeus, 1758
               24 Apis conica Linnaeus, 1758
               25 Apis annulata Linnaeus, 1758
               26 Apis ruficornis Linnaeus, 1758
               27 Apis ichneumonea Linnaeus, 1758
               28 Apis cariosa Linnaeus, 1758
               29 "*" Bombinatrices hirsutissimae