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 Hemiptera Linnaeus, 1758 - true bugs
             Genus Cimex Linnaeus, 1758
              
                 81 Cimex lacustris Linnaeus, 1758 see Gerris lacustris (C. Linnaeus, 1758)
                 82 Cimex stagnorum Linnaeus, 1758 see Hydrometra stagnorum (C. Linnaeus, 1758)
                 83 Cimex vagabundus Linnaeus, 1758 see Empicoris vagabundus (C. Linnaeus, 1758)
                 84 Cimex tipularius Linnaeus, 1758
                 85 Cimex coryli Linnaeus, 1758