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INSECTS INJURIOUS TO THE ORANGE. 395 



No. 252. The Red Scale of California. 



Aspidiotus aurantii Maskell. 



The female scale of this species is quite translucent, its 

 apparent grayish color depending on that of the insect 



beneath, which varies from a light greenish yellow to a 

 bright reddish brown, and when the female is fully grown 

 the form of its dark body shows distinctly through the 

 transparent covering, as represented at b in Fig. 406. The 

 scale of the male, shown at c in the figure, resembles that of 



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