Definitions for "Mesonotum"
The dorsal portion of the mesothorax of insects.
Dorsal sclerite of the mesothorax, which is almost always divided into an anterior mesoscutum and posterior scutellar-axillar complex by the transscutal articulation. [drawing
The dorsal sclerite of the mesothorax.
Keywords:  thorax, segment, insects, middle, upper
the upper surface covering the middle segment of the thorax of insects.