Phylum Arthropoda Subphylum Hexapoda Class Insecta Blattodea Periplaneta orientalis The oriental cockroach, also known as the waterbug, that infests houses; originating in Russia, it is now widespread throughout the world, except for areas with excessively rigid climate. Oval, flattened bodies; tarsi with 5 segments; wings typically present, often reduced. External and internal anatomy of a male; digestive system and associated glans (green), Malpighian tubules (brown); reproductive system (pink). Down, labrum and typical buccal parts, mandible, maxilla and labium.Tavola parietale. Tavola contenente n° 6 immagini. Phylum Arthropoda Subphylum Hexapoda Classe Insecta Blattodea Periplaneta orientalis Conosciuta anche come scarafaggio ner...