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
               Oblongi Linnaeus, 1758
                 52 Cimex indus Linnaeus, 1758
                 53 Cimex hyoscyami Linnaeus, 1758
                 54 Cimex equestris Linnaeus, 1758 see Lygaeus equestris (C. Linnaeus, 1758)
                 55 Cimex apterus Linnaeus, 1758
                 56 Cimex aegyptius Linnaeus, 1758
                 57 Cimex andreae Linnaeus, 1758
                 58 Cimex kalmii Linnaeus, 1758
                 59 Cimex pratensis Linnaeus, 1758 see Lygus pratensis (C. Linnaeus, 1758)
                 60 Cimex campestris Linnaeus, 1758
                 61 Cimex umbratilis Linnaeus, 1758
                 62 Cimex crassicornis Linnaeus, 1758
                 63 Cimex saltatorius Linnaeus, 1758 see Saldula saltatoria (C. Linnaeus, 1758)
                 64 Cimex arenarius Linnaeus, 1758
                 65 Cimex pini Linnaeus, 1758
                 66 Cimex rolandri Linnaeus, 1758
                 67 Cimex nigripes Linnaeus, 1758