Phylum Arthropoda Siebold, 1848 - arthropods
   Class Insecta Linnaeus, 1758 - insects
     Subclass Pterygota Lang, 1888 - winged insects see Infraclass Pterygota Lang, 1888
       Division Exopterygota Sharp, 1899
         01 Order Ephemeroptera Hyatt & Arms, 1891 - mayflies
         02 Order Odonata Fabricius, 1793 - dragonflies and damselflies
         03 Order Plecoptera Latreille, 1802 - stone flies
         04 Order Orthoptera Olivier, 1789 - locusts, katydids, crickets, grasshoppers
         05 Order Phasmida Leach, 1815 - stick and leaf insects
         06 Order Dermaptera De Geer, 1773 - earwigs
         07 Order Embioptera Lameere, 1900 - embiopterans see Order Embiodea
         08 Order Dictyoptera Latreille, 1829 see Subdivision Dictyoptera Latreille, 1829
         09 Order Isoptera Brulle, 1832 - termites see Order Blattodea Brunner von Wattenwyl, 1882
         10 Order Psocoptera Shipley, 1904 - book and bark lice
         11 Order Mallophaga Nitzsch, 1818 - biting lice see Order Phthiraptera Haeckel, 1896
         12 Order Anoplura Leach, 1815 - sucking lice see Suborder Anoplura Leach, 1815
         13 Order Hemiptera Linnaeus, 1758 - true bugs
         14 Order Thysanoptera Haliday, 1836 - thrips