BOMBYCES 



225 



and the presence of the mtruders is frequently indicated by a heap 

 of small chips of wood lying on the ground near the roots. The 

 odom- of the larvte, too, is so powerful, that there is generally no 

 dithcultv in ascertaining their whereabouts bv it alone. 



^a|f 



Fig. 118.— The Goat Moth. 



It is not always in living trees, however, that we find these 

 creatures, for they often feed on rotting wood, such as the 

 remains of old palings and 

 posts, that lie on the gromid 

 in damp places. 



AVhen fully grown thej' 

 construct a strong cocoon of 

 chips of wood, bound together 

 by silk, and within this they 

 change to the chrysalis. 



The moth emerges in June or July, and is commonly found 

 resting on the bark of willows and poplars during the daytime. 



Fig 



119. — The L.\rva of Ligniperiia 

 [less than half full size). 



The Leopard Moth {Zcuzera ptjrina) 



The wmgs of this species are white and semi-transparent, and 

 marked with numerous bluish-black spots in such a way as to 

 remind one of the skin of the leopard. Its body is -very long, and 



Q 



