ATTACKING THE LEAVES. 



117 



of a ri('i deep gray margined with a long yellowish-brown 

 frino-e. It is an active little creature, running about on the 

 upper surface of the leaves in the sunshine, with its wings 

 closely folded to its body. 



The eggs are laid on the apple-leaves, and the young larva 



FiQ. 115. 



when hatched penetrates to the interior of the leaf, mining it, 

 leaving the upper and under surfaces unbroken, but forming 

 after a time an irregular, dark-colored blotch upon the leaf. 

 Wiien mature, it forms from the leafy blotcli its little case, 

 and, crawling with it, fastens it securely to a near twig or 

 branch of the tree. At this period the larva presents the 



