Definition: Blattidae are a family of beetles that belong to the order Coleoptera, which also includes ants and bees. They have five main classes within the family: Blattina (which includes the beetle families Blattidae, Colletidae, and Melolontha), Plutellaia (which includes the beetle families Pluteinae, Plutellidae, and Plutellinae), Pseudoblatidae (which includes the beetle