EXPLANATION OF PLATE X. 



ASPIDIOTUS HEDERJ;. (Page 120.) 



Fig. 1. Pygidium of adult female. X 250. 

 1 a. Spiracle of female. X 600. 



ASPIDIOTUS CYANOPHYLLI. (Page 124.) 

 Fig. 2. Pygidium of adult female, x 250. 



ASPIDIOTUS SPINOSUS. (Page 114.) 

 Fig. 3. Pygidium of adult female. X 250. 



