Bui. 539, U. S. Dept. of Agriculture. 



Plate II 



Damage to Sorghum by the Lesser Corn Stalk-Borer. 



Fig. l. — The many -branched feeding tube attached at enl ranee to tunnel, at base of sorghum 

 stalk. Fig. 2. — Sorghum severely damaged by stalk-borers, as shown by the dead bud leaves. 

 Fig. 3. — Stem sectioned to show ihe borer tunnel within. (Original.) 



