Source : WordNet®

corn borer
     n 1: larva of the European corn borer moth; a serious pest of
          maize [syn: {Pyrausta nubilalis}]
     2: native to Europe; in America the larvae bore into the stem
        and crown of corn and other plants [syn: {European corn
        borer}, {corn borer moth}, {Pyrausta nubilalis}]