When the pupa stage is finally completed, the beetle emerges as a fully formed adult. This adult form, also known as the imago, tends to be the most diverse stage of the beetle’s life.

The Actaeon beetle (Megasoma actaeon) is the heaviest species. It is at its heaviest during the larval stage, which can last for three years. The heaviest Actaeon beetle larvae have tipped the scales ...

The larva of the closely related Museum beetle A. museorum is different in that all of its tergites are evenly coloured dark brown, and its head is also dark brown. Due to the small size of the larvae ...

LIFE CYCLE: All beetles undergo complete metamorphosis with life cycles consisting of an egg, larva with multiple instars, pupa, and adult. All life stages except that of the egg make take place ...