DISEASES AND INSECTS. 395 



short hairs, Figs. 158 and 159. It destroys 

 the young bunches of fruit as well as the 

 leaves. The caterpillar is very tender, and a 

 slight pressure will crush it. The young leaves 

 may thus be pressed together sufficiently hard 

 to kill the caterpillar without injury to them, 

 and then drawn apart. In this way they can 

 be disposed of pretty quickly. Unless they are 

 killed early, the crop will be materially less- 

 ened. 



Fig. 158, Caterpillar. pig. 169, Moth. 



Occasionally the leaves near the end of the 

 growing cane will be found covered with pro- 

 tuberances, which, on being opened, are found 

 to contain a small yellow slug, which seems to 

 be the larva of some gall-fly, but which we do 

 not know, not having yet succeeded in matur- 

 ing them. They do not seem to materially 

 check the growth of the cane, but still it would 

 be well to destroy them. 



Young vines that start from a bud under or 



o 



very near the surface are sometimes eaten partly 

 or entirely off by the cut-worm. Sometimes 



