EXPLANATION OF PLATE XL. 

 Chionaspis arundinari/e. 



Fig. I. Adult female, ventral view. 



2. Male puparium, from above. 



3. Female puparium, from above. 



4- 11 „ first pellicle. 



5- ), „ second pellicle. 



6. Pygidium of adult female, dorsal view. 



7. Margin of metathorax, with tubular processes. 



