Kingdom [Animalia] Linnaeus, 1758 - animals
   Ecdysozoa Aguinaldo, Turbeville, Linford, Rivera, Garey, Raff & Lake 1997, nom. cl. inval. - ecdysozoans see Clade Ecdysozoa Aguinaldo, Turbeville, Linford, Rivera, Garey, Raff & Lake 1997 [Lake, Halanych, Servin & Garey 2020]
     Panarthropoda Nielsen, 1995 - panarthropods
       Tritocerebra see [unranked] Tactopoda Budd, 2001
         Phylum Arthropoda Siebold, 1848 - arthropods
           Subphylum Mandibulata Snodgrass, 1938
             Infraphylum Atelocerata see [unranked] Mandibulata
               Superclass Panhexapoda
                 Epiclass Hexapoda Latreille, 1825 see Superclass Hexapoda Latreille, 1825
                   Class Insecta Linnaeus, 1758 - insects
                     Dicondylia Haeckel, 1866 see Subclass Dicondylia Haeckel, 1866
                       Pterygota Lang, 1888 see Infraclass Pterygota Lang, 1888
                         Metapterygota
                           Neoptera Martynov, 1923
                             Eumetabola
                               Paraneoptera
                                 Superorder Condylognatha Börner, 1904
                                   Order Hemiptera Linnaeus, 1758 - true bugs
                                     Suborder Sternorrhyncha Amyot & Audinet-Serville, 1843 - aphids, psyllids, whiteflies and scales
                                       Psyllomorpha
                                         Psylloidea Latreille, 1807 - psyllids