CAN. ENT., VOL. LI 



Plate L 



THE HABITS OF HETEROCERUS BEETLES. 



1. Mud bar where the beetles breed. 2. Burrows made by the larvae. 3. Pupal cases. 

 4. Adult. 5. Eggs. 0. Larva. 7. Larva ready to pupate. S. Pupa. 



