corn borer Definition

any of several insects that bore in the stalks or ears of corn: such as

an Old World moth (Ostrinia nubilalis) widespread in eastern and central North America where its larva is a major pest in the stems, crowns, and fruits of crop plants and especially corn —called also European corn borer

a pyralid moth (Diatraea grandiosella) whose larva causes serious damage especially to corn crops by boring in the stalks —called also southwestern corn borer

an Old World moth (Ostrinia nubilalis) widespread in eastern and central North America where its larva is a major pest in the stems, crowns, and fruits of crop plants and especially corn

a pyralid moth (Diatraea grandiosella) whose larva causes serious damage especially to corn crops by boring in the stalks