The irritation set up by the hatching egg and its resulting larva appears to be the stimulus to development, and net a poison or enzyme injected by the insect.
A full-grown larva digs a pit about 2 in.
The beetles are fierce Antenna of Larva of Gyrinus.
The carabid larva is an active well-armoured grub with the legs and cerci variable in length.
The larva pierces the vessels of the plant with sharp processes at the hinder end of its body.