Bul. 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 Euctheola rugiceps; B, pupa of Ligyrus gibbosus; C, pupa of Dyscinetus trachy- 
pygus. (Photographs by J. H. Paine) 
