- Sucking louse - Phthiraptera
While there is some disagreement on the exact methods for categorizing them, lice like this human louse may be considered to belong to the order Phthiraptera (includes all lice) or separated into Mallophaga (just chewing lice) and Anoplura (just sucking lice). - Spiders - Arachnids, not Insects!
Spiders are not insects and belong to the Arachnids. - Flea - Siphonaptera
Fleas currently are believed to be a strange version of scorpionflies, but traditionally are given their own order called Siphonaptera. - Earwig - Dermaptera
Earwigs belong to the order Dermaptera. - Dobsonfly - Megaloptera
Ferocious as they look, dobsonflies are harmless. They belong to the order Megaloptera, along with fishflies and alderflies. - Centipede - Myriapoda
Centipedes are not insects, but rather belong to a related group in the Myriapoda (many legs). - Bee - Hymenoptera
Bees, wasps and ants belong to the order Hymenoptera. - Ant - Hymenoptera
Ants like this one, along with bees, wasps and sawflies belong to the order Hymenoptera.