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



V; X— I" - i--// i b 



PLATE IV. 





AH 



Larval Details of the Sugar-Cane Moth Borer and the Larger 

 Corn Stalk-Borer. 



Fig. 1. — The sugar-cane moth borer (Diatraea saccharalis crambidoides): Larva, setal maps 

 of body. Fig. 2. — D. saccharalis crambidoides: Larval head capsule, dorsal view. Fig. 3. — 

 The larger corn stalk-borer (D. zeacolella): Larval head capsule, dorsal view. Fig. 4. — D. 

 saccharalis crambidoides: Larval head capsule, lateral view. Fig. 5. — D. saccharalis cram- 

 bidoides: Larval labrum. Fig. 6. — D. saccharalis crambidoides: Larval epipharyux. 



