PLATE IV. 
Fig. 15. Aspidiotus fernaldi Ckll., sub species albiventer sub 
sp. nov. Anal plate of female. 
Fig. 16. Variations in anal plate of female of sub. sp. albiventer. 
Fig. 17. Aspidiotus juglans-regice Comst. var. anal plate of 
female. 
Fig. 18. Aspidiotus perniciosus Comst. San Jose scale. Anal 
plate of female, showing variation from original description. 
