borer Definition

a tool used for boring

shipworm

an insect that bores in the woody parts of plants

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

a metallic-green Asian beetle (Agrilus planipennis) accidentally introduced into the U.S. and having a destructive larva that bores into the wood of ash trees

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 (Elasmopalpus lignosellus) having slender greenish larvae that burrow in the stalk especially of corn near ground level

a clearwing moth (Synanthedon pictipes) whose larva bores into the wood of stone-fruit trees and especially the peach

a blue-black clearwing moth (Synanthedon exitiosa synonym Sanninoidea exitiosa) with the female having an orange band on the abdomen and whose white brown-headed larva bores in the wood of stone fruit trees (such as the peach)

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