European Corn Borer 
Pyrausta nubilalis Hubn. 
1 One ear of corn badly damaged by caterpillars. Note the 
borings into the kernels and the damage to the stalk. There is also 
a portion of an ear from which a part of the corn has been removed 
showing injury to the cob itself. 
2 Vial containing caterpillars taken from one hill of corn. As 
many as 311 have been found in one hill. (Reproduced by courtesy 
of the Massachusetts Department of Agriculture) 
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