346 



ON THE THRIPS, &C. 



the state of the weather and border as before 

 described wilJ affect the tree in some degree. 



On the Thrips. 



This is a very small insect scarcely visible 

 to the naked eye. It attacks the young and 

 tender leaves of many kinds of fruit trees, 

 and does considerable injury to the young 

 shoots if not soon destroyed, for by its biting 

 the foliage and shoots it will injure them 

 so as to stop their growth. It may be de- 

 stroyed in the same manner as the green fly. 



On the Honey Dew. 



This is generally known, being a clammy 

 substance which coagulates upon the leaves 

 and wood of trees. It so much affects them 

 sometimes, as to close up not only the pores 

 of the leaves, but of the wood also in a very 

 great measure. A speedy removal of it is 

 highly necessary, as the growth of the tree 

 is frequently stopped by it ; this may be 

 done by frequent and forcible washing with 

 pure soft water. 



On the Dolphin, or Black Beetle, 

 This is a small black insect, which attacks 



