Definition of corn borer in US English:

corn borer

noun

  • A moth whose larvae feed upon and bore into corn.

    Several species in the family Pyralidae, in particular the European corn borer (Ostrinia nubilalis), which was accidentally introduced into North America, and Diatraea or 'Zeadiatraea' grandiosella of the southern US

    • ‘European corn borer moths have been active since the second week in May in south central Nebraska, based on catches in black light traps at Aurora and Clay Center, and activity likely has extended northward.’
    • ‘The emerging corn borer moths are recaptured in black light traps placed at varying distances around the release sites.’
    • ‘So, when the corn borer nibbles on the plant, the borer dies.’
    • ‘Female corn borer moths have a sophisticated array of sensors to help find suitable sites for depositing eggs.’
    • ‘In the wild the wasps use their antennae to detect corn borer caterpillars, which the parasites use to hatch and grow their young.’