INJURING THE FRUIT. 



55 



, Apple Curculio : 

 6, larva. Magnified. 



They usually penetrate to the core, where they con- 

 tinue feeding four or five weeks. They then become 



full grown as larvae, 

 and appear w h e n 

 magnified like Fig. 

 23, b, being footless, 

 whitish grubs. The 

 larva pupates within 

 the cavity of the ap- 

 ple where it has de- 

 veloped, the pupa be- 

 ing represented, magnified, at Fig. 23, <i, and two or 

 three weeks lat- 

 er it a g a i n 

 c h a n g es, this 

 time emerging 

 as a perfect bee- 

 1 1 e, w h i c h 

 gnaws its way 

 out through the 

 fruit. There is 

 but one brood Fig/24. App 



each year, the insect hibernating in the beetle state. 

 The fruit attacked by this pest becomes dwarfed, 

 gnarly and ill-shapen, as shown at Fig. 24. 



Remedies. — The feeding and egg-laying habits of 

 the adult of this insect render it liable to destruction 

 by poisoning. Consequently spraying with the ar- 

 senites, as for the Codling Moth, appears to be a 

 sufficient remedy. 



