78% of all animal species are insects.
- Coleoptera (Beetles) 400,000 species
- Lepidoptera (Butterflies, moths) 150,000 species
- Hymenoptera (Bees, wasps, ants [only have wings at certain times during life cycle or not at all]) 130,000 species
- Diptera (Flies, midges, mosquitoes) 120,000 species