corn borer

corn borer

noun
any of several pyralid moths, as Pyrausta (ostrinia ) nubilalis (European corn borer) the larvae of which bore into the stem and crown of corn and other plants.

Origin:
1915–20

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World English Dictionary
corn borer
 
n
the larva of the pyralid moth Pyrausta nubilalis, native to S and Central Europe: in E North America a serious pest of maize

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