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 Spinosi Linnaeus, 1758 Cimex bidens Linnaeus, 1758 see Picromerus bidens (C. Linnaeus, 1758)