EXPLANATION OF PLATE LIV. 



Chionaspis biclavis. 



{All figures, except No. i, more or less eftlarged.) 



Fig. I. Piece of cinchona stem, witli insects in situ, nat. size. 



2. Piece of bark from tea stem, enlarged, showing two scales. 



3. Female puparium, from above. 



4. „ „ from below. 



5. Early adult female, dorsal view. 



6. Later stage „ „ „ 



7. Adult female, fully developed, dorsal view. 



8. „ „ „ „ ventral „ 



9. „ „ pygidium, dorsal view. 



10. „ „ antenna. 



11. Abdominal extremity of young larva. 



