Bui. 491, U. S. Dept. of Agriculture. 



Plate XIII. 



Damage to Watermelon by Larwe of Melon Fly. 



Cross section of watermelon showing complete destruction of interior by the larvae of the melon 

 fly. Note that the larval tunnels extend through the rind in all directions and that the edible 

 portion has been completely broken down. (Original.) 



