Bui. 1267, U. S. Dept. of Agriculture 



PLATE IV 



The Rough-Headed Corn Stalk-Beetle and Species Likely to be 

 Mistaken for It 



A, Pupa of Euetheola rugiceps; B, pupa of Ligyrus gibbosus; C, pupa of Dyscinetus trachy- 

 pygus. (Photographs by J. H. Paine) 



