140 TREE WOUNDS AND DISEASES 



Syringing with a fairly strong solution of 

 soft soap and paraffin at intervals during the 

 winter and spring months has been attended 

 with good results, but such treatment can 

 hardly be extended to a whole plantation of 

 the tree. The attacks are worst where the 

 pine, is growing in close woodland, and admit- 

 ting plenty of light and air to the tree is 

 attended with beneficial results. 



When growing on light gravelly soil, the 

 stem of this pine is apt to become " pumped " 

 or rotten at the core, for which disease only a 

 change to suitable soil can be recommended. 



Larch Shoot Moth (Argyresthia atmoriella). 

 Judging from the specimens that have been 

 forwarded for identification, the larch shoot 

 moth would appear to be widely distributed 

 over England and southern Scotland. It is, 

 however, only of late years that the insect has 

 appeared in quantity, or that its depredations 

 have caused serious loss in larch plantations. 

 Fortunately, where the larch trees are in a 

 healthy condition attacks are perceptibly re- 

 stricted, whereas on low-lying ground and on 

 gravelly soils the appearance and rapid spread 



