The notopleuron (plural notopleura) is a region on an insect thorax. Notopleura are useful in characterizing species, particularly, though not uniquely, in the Order Diptera (the `true flies`). The notopleuron is a thoracic pleurite (a sclerite on the pleuron) situated at the end of the transverse suture of Diptera. Apart from in the Diptera, vi.....
Area on thoracic dorsum, at lateral end of transverse suture
A triangular area on the thorax of certain flies, just behind the humeral callus and occupying parts of both dorsal and lateral surfaces.