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 Diptera Linnaeus, 1758 - true flies, mosquitoes, gnats
             Genus Culex Linnaeus, 1758
               1 Culex pipiens Linnaeus, 1758 - northern house mosquito
               2 Culex bifurcatus Linnaeus, 1758
               3 Culex pulicaris Linnaeus, 1758
               4 Culex reptans Linnaeus, 1758
               5 Culex equinus Linnaeus, 1758
               6 Culex stercoreus Linnaeus, 1758