326 



THE AMERICAN MONTHLY 



[Oct. 



the insect is entirely concealed by the scale, which is 

 now a grayish yellow color and has a central nipple or 

 tuft. The scale is formed by the slow melting- together 

 of the filaments of wax. As the scale grows older it 

 turns darker, the central ni])[)le remaining light until 

 fully developed. 



The male and female scales are exactly alike in size, 



Chiouaspis furfunis: Adult male from above ; b, foot; li, tip of antenuse ofKanie; f, larva; li, 

 aiitennte ; e, leg of same ; f, pupa; g, adult female removed from scale — all enlarged ; b, d, o, h, 

 much more thau the others. 



color and shape until after the first molt, which occur 

 twelve days after the larva emerges. They now lose all 

 resemblance to each other. The males are rather larger 

 than the females, and have large ])urple eyes, while the 

 females have lost their eyes entirely. The legs and an- 

 tenn^B have disappeared in both sexes. The males are 

 elongate and pyriform. while the females are almost cir- 



