lesser cornstalk borer
noun
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.
Origin of lesser cornstalk borer
First recorded in 1920–25
Dictionary.com Unabridged
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019