THE APPLE. 73 



June, during the most active stage of growth, 

 the injury is most destructive. 



The effectual remedy has been to catch the 

 female moth at the time of her ascent. Various 

 devices are in use, the most simple of which is 

 the band of tarred paper, about a foot in width, 

 tied around the trunk of the tree and kept 

 freshly painted with tar and printer's ink, in 

 which the moths will stick and perish. Care 

 must be taken that the bands are tight around 

 the trunk, also that the paint be applied in the 

 fall, and constantly renewed, as often as it be- 

 comes glazed, whenever the ground is open, and 

 until the worm hatches. This is a cheap and 

 effectual method for large orchards, but it re- 

 quires persistent watchfulness, and would involve 

 too much care for a few trees. Often the moths 

 appear in such numbers as to bridge over the 

 band and allow their comrades to pass over their 

 dead bodies dry shod. Increasing the width of 

 the bands and frequent renewal of the paint 

 would meet this difficulty. Leaden and wooden 

 troughs, packed around the trunks of the trees 

 and filled with kerosene oil, require much less 

 watching and have proved effectual. These 

 troughs are furnished by experts, and placed and 

 warranted at the usual price of f 1 per foot in 

 diameter of the tree. To those who have but 



