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
             "Hymenoptera + Mecopterida" see Superorder Panorpida
               Section Mecopterida see Superorder Panorpida
                 Superorder Antliophora Hennig, 1969 see Superorder Panorpida
                   1 Order Mecoptera Packard, 1886 - scorpion flies
                   2 Order Siphonaptera Latreille, 1825 - fleas
                   3 Order Diptera Linnaeus, 1758 - true flies, mosquitoes, gnats