[Kingdom] Animalia Linnaeus, 1758 - animals
   Grade Enterozoa
     Grade Cœlomata
       Phylum Appendiculata {Lankester}
         Branch Gnathopoda Straus-Durkheim, 1829
           Grade Condylopoda
             Class Insecta Hexapoda
               Grade Sugentia
                 1 Order Rhyncota
                 2 Order Diptera Linnaeus, 1758 - true flies, mosquitoes, gnats
                 3 Order Lepidoptera Linnaeus, 1758 - butterflies, moths