INSECT ENEMIES OF THE GRAPE. 



215 



caterpillars. They are literally gluttons, as they never 

 seem to stop eating from the time they are hatched until 

 they pass into the chrysalis state. They are very de- 



FIG. 85. 



structive in a nursery of young vines, as a single cater- 

 pillar, when nearly grown, will, in twenty-four hours, 

 eat every leaf on a one-stem vine of three or four feet 



