Bu!. 536, U. S. Dept. of Agriculture. 



Plate X. 



The Orange as a Host Fruit of the Mediterranean Fruit Fly. 



Fig. 1.— Orange infested with larvae of the Mediterranean fruit fly. Note that 

 the fruit looks sound, except about the irregular hole, through which a few 

 well-grown larvae have already left the fruit. Fig. 2.— Orange infested with 

 larvae of the Mediterranean fruit fly showing two breathing holes of the larvae 

 in the decayed area. (Author's illustration.) 



