Explanation of Names
From Greek, pro, before, plus noton, back.
pronotum noun - the upper surface of the prothorax, the first segment of the thorax. Shape of the pronotum is often important in identification of beetles, and many other groups. Adjectival form is pronotal.
Divisions of thorax
(front | middle | rear):
Dorsal surface of thorax (notum
) surface of thorax:
Ventral surface of thorax: