Bui. 539, U. S. Dept. of Agriculture. 
Plate III. 
Damage to Sorghum by the Lesser Corn Stalk-Borer. 
Fig. 1.— The many-branched feeding tube attached at entrance 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 the borer tunnel within. (Original.) 
