| Uniramia |
| --Hexapoda 1 (insects) |
| --Hexapoda 2 (insects) |
| --Insect orders |
| ----Lepidoptera (butterflies, moths) |
| ----Ephemeroptera (mayflies) |
| ----Hemiptera (bugs, cicadas) |
| ----Hymenoptera (bees, ants, wasps & saw flies) |
| ------Bumblebees |
| ----Coleoptera (beetles) |
| ----Dictyoptera (mantids, cockroaches) |
| ----Diptera (true flies) |
| ----Neuroptera (lacewings, ant lions) |
| ----Orthoptera (crickets, locusts) |
| ----Thysanura (bristletails, silver fish) |
| ----Strepsiptera (stylops) |
| ----Thysanoptera (thrips) |
| ----Odonata (dragonflies, damselflies) |
| ----Trichoptera (caddis flies) |
| ----Siphonaptera (fleas) |
| ----Isoptera (termites) |
| ----Phasmida (stick & leaf insects) |
| ----Dermaptera (earwigs) |
| ----Anoplura/Sipunculata (sucking lice) |
| ----Mallophaga (biting lice, bird lice) |
| ----Psocoptera (book lice) |
| ----Mecoptera (scorpion flies) |
| ----Collembola (springtail) |
| ----Embioptera (web spinners) |
| ----Plecoptera (stone flies) |
| ----Diplura (bristletails) |
| ----Protura |
| ----Zoraptera |
| ----Protura |
| ----Zoraptera |
| ----Zoraptera |