- Butterfly - Lepidoptera
Butterflies, moths, and their caterpillars belong to the order Lepidoptera. - Bug - Hemiptera
True bugs like stink bugs and their relatives belong to the order Hemiptera. - Beetle - Coleoptera
Beetles outnumber all other animal species on earth and they belong to the order Coleoptera. - Bee - Hymenoptera
Bees, wasps and ants belong to the order Hymenoptera. - Barklouse - Psocoptera
Barklice and booklice may be winged or wingless and belong to the insect order Psocoptera. - Aphid - Homoptera
Aphids like these, along with cicadas and scale insects belong to the insect order Homoptera. - Ant - Hymenoptera
Ants like this one, along with bees, wasps and sawflies belong to the order Hymenoptera. - Angel insect - Zoraptera
Angel insects are small white insects that are not often encountered but can be found in rotting logs. They are in the order Zoraptera. There is one species in the USA.