THE CADELLE 
27 
Fig. 13. — Cadelle pupa? in pupal chambers. Wood sectioned to expose pupa? within 
chambers. Note burrow made by larva in arriving at place chosen for pupation 
The walls and floor of almost any wooden bin, granary, or ware- 
house which has been used as a storage place over a period of years 
for wheat, corn, or other foodstuffs will show evidence of their bur- 
