PLATE V. 
Fig. ig. Aspuiiotus pcrniciosus Comst. Anal plate of female 
showing normal structure of this lot of specimens. 
Fig. 20. Aspidiotus peniiciosus. The upper figure is the left 
side of anal plate and the lower figure is the right side of another 
specimen transposed for comparison. 
Figs. 21, 22. Aspidiotus pcrniciosus. One side of anal plate of 
females showing variations. 
Fig. 23. Newly born nymph of A. pcrniciosus Comst. Antenna 
and cephalic leg enlarged on the right. 
