40 Cockchafer. 



lessen the attack the following year. Injury- 

 done to the foliage at the most important 

 season of the year is likely to engender disease 

 in the tree. 



The Cockchafer does harm both in its 

 larval and perfect state ; in the former it feeds 

 upon the roots of young trees, and in the 

 latter it feeds upon the leaves. The injury 

 that it does, however, is not often so marked 

 as many others, and it is only when the tree 

 shows signs of dying that attention is 

 attracted to the presence of the grubs. This is 

 chiefly because the attack is confined to 

 the roots, and is therefore out of sight. 

 Steps, however, should be taken to destroy 

 both the grub and perfect insect whenever 

 possible. 



A good plan, too, is to encourage wild 

 birds who feed upon them to a large extent. 



The Marble Gall Fly is well known to us 

 through the marble-like galls which we find 

 upon the oaks, both tree and coppice oak. 



There are many kinds of galls we are 

 informed by Miss Ormerod — galls which 

 attack the leaves, the buds, the bark, the 



