CHAP. XX. SCALE-INSECTS. 



133 



Fig. 316 



the second skin is present, but it is entirely cov- 

 ered by secretion. This skin is large, covering the 

 insect completely. 



The scale is narrow at its anterior end; it then 

 widens, and its sides are parallel thoughout the 

 greater part of its length. The three anterior 

 groups of spinnerets are united, forming a continu- 

 ous line. The scale of the male is similar to that 

 of the female, but smaller. The genus is small and unimpor- 

 tant, and was formerly known as Fiorinia. Example The 

 Camellia-scale (Fig. 316). 



Fig. 317. 



Fig. 318. 



