ATTACKING THE LEAVES, 



111 



of a rich deep gray margined with a long yellowish-brown 

 fringe. 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 



Fig. 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. 

 When mature, it forms from the leafy blotch 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 



