152 



Explanation of Plate IV. 



(All figure much enlarged) 



Protopulvinaria japonica . 

 Figure r. Antenna of adult female. 

 Figure 2. Stigmatic spines and marginal hairs of same. 

 Figure 3. Leg of same. 

 Figure 4. Anal plate of same. 



Asterolecanium bambusicola . 

 Figure 5. Abdominal extremity of adult female. 

 Figure 6. Marginal fringe of test of same. 



Asterolecanium hemispJuericum. 

 Figure 7. Abdominal extremity of adult female. 



Asterolecanium masuii. 

 Figure 8. Abdominal extremity of adult female. 

 Figure 9. Marginal fringe of test of same. 



Asterolecanium litseœ. 

 Figure 10. Abdominal extremity of adult female. 

 Figure 11. Marginal fringe of test of same. 



A sterolecanium tokyonis. 

 Figure 12. Abdominal extremity of adult female. 



Nipponorthezia aràisiœ. 

 Figure 13. Old adult female with fully developed marsupium (dorsal view). 

 Figure 14. Same (ventral view). 



Figure 15. Adult female after treatment with potash, showing gland-tracts (dorsal 

 view). 



Figure 



16. 



Terminal segments of same (ventral view) 



Figure 



17- 



Antenna of adult female. 



Figure 



18. 



Fore leg of same. 



Figure 



19. 



Middle leg of same. 



Figure 



20. 



Hind leg of same. 



Figure 



21. 



Mentimi of same. 



Figure 



22. 



Anal orifice of same. 



Figure 



23- 



Antenna of larva. 



