The ventral plate of the prothorax of an insect.
Sternum of the prothorax, which is usually more or less diamond-shaped and mostly concealed under the propleurae and procoxae. [photo][photo
The ventral sclerite of the prothorax surrounding part or all of the leg bases.
bottom portion of prothorax; forebreast
The ventral plate on the first segment of the thorax.
A ventral sclerite of the prothorax, between the propleura.
the main ventral plate of the mid body or thorax in Coleoptera.