Explanation of Names
From Greek, pro, before, plus noton, back.
Identification
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.
See Also
Divisions of
thorax (front | middle | rear):
Dorsal surface of thorax (
notum):
Lateral (
pleural) surface of thorax:
Ventral surface of thorax: