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The Fruit-Growers Guide-Book 



abounds may be found usually in great abundance in the 

 early part of the summer. 



These eggs hatch in from three to seven days into a 

 small grub that feeds on the flesh of the fruit. For some 

 reason, at present unexplained, if the fruit which is at- 

 tacked continues to grow and enlarge rapidly, the grub 

 will' work its way toward the core, but usually dies be- 



Plum curculio; enlarged in the upper figure and natural 

 size in the lower. 



fore the larval stage is completed. If, however, the fruit 

 falls to the ground, then the larva reaches maturity. 

 When full grown they come out of the fruit and enter the 

 ground, where they form a little cell a couple of inches 

 beneath the surface in which they pupate. Towards the 

 latter part of the summer, sometimes extending over quite 

 a long period, adults emerge from their pupal cells and 



