Bui. 746, U. S. Dept. of Agriculture. 



Frontispiece. 



Interior of Stalks of Sugar Cane Showing Holes Made by 

 Sugar-Cane Moth Borer and a Borer in Its Tunnel. 



The normal tissue is white or yellowish, and the reds and other colors, appearing 

 dark in the illustration, are the results of diseases, especially "red rot," which 

 follow the borer in the cane stalk, causing additional deterioration. 



