288 



NATURAL HISTORY. 



our lights in a summer's evening. I have said so much of 

 these insects in Chapter XXIII., that of the many families 

 of them I will notice here but two. The Clothes Moths 

 deposit their eggs in woolen stuffs, furs, feathers, etc. 

 Their larvae live on these articles. They also construct 

 for themselves a tubular case from the same materials. 

 In these they live, as the larvaa of the Caddice-flies, 459, 

 do in their cases. With the growth of their bodies they 

 enlarge these tubes by weaving an addition on to the 

 end, and also by slitting it open and inserting a piece 

 longitudinally. Sometimes these cases are of divers col- 

 ors, from the use of differently-colored materials. When 

 they are about to go into the pupa state, these insects 

 close up the two ends of the case. 



490. There is a small 

 Moth, called the Rusty 

 Vapor Moth, Fig. 222, 



*ifc'. 223. Caterpillar of Rusty Vapor Moth. 



Fig. 222. The Rusty Vapor Moth. 



of a light-brown color. 

 Though it is rather 

 homely, it comes from 

 a caterpillar which is 

 very beautiful, repre- 

 sented in Fig. 223. Its 

 body is covered with 

 long, fine yellow hairs, 

 and has at each end two 

 elegant brush-like tufts. 

 Its head is as red as 

 sealing-wax, and there 

 are prominences on its 



