36 



points, we have much to regret that 

 the science of entomology is not more 

 cultivated, as many facts would be ascer- 

 tained, leading to conclusions that might 

 ultimately enable us to destroy or retard 

 the baneful progress of these natural 

 enemies to plants ; and it ought not to 

 be forgotten that an acqziaintance toith our 

 common nojvious insects is a subject of 

 as mitch interest to the grower qfjhdt- 

 Irees, and ought to be as intimately con- 

 nected in this branch of husbandry ^ as 

 the necessary knowledge qfcojm and cattle 

 is to farmers in general. 



The aphis or small green fly which is 

 so common in the spring of the year, and 

 which produces the honey-dew, is to be 

 destroyed by burning tobacco or any 

 strong scented leaves or rubbish under 

 the trees, or by sprinkling them with 

 water in which tobacco has been infused, 

 and although this may appear to be a 

 work of much labour when the trees are 

 large ; yet in young trees it will repay 

 the trouble. 



But the most destructive insect we know 



