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lesser cornstalk borer

noun
  1. the larva of a widely distributed pyralid moth, Elasmopalpus lignosellus, that damages corn and some other crops by boring into the part of the stalk close to the soil.
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Origin of lesser cornstalk borer

First recorded in 1920–25
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018