释义 |
corn borer noun : any of several insects that bore in maize: as a. : the larva of an Old World moth (Ostrinia nubilalis) of the family Pyraustidae introduced into and now widespread in eastern No. America where it is a major pest in the stems and crowns of maize, dahlias, potatoes, and many other plants — called also European corn borer b. : a larval pyralidid moth (Diatraea grandiosella) of similar habits native to Mexico but now widespread in the southwestern U.S. — called also southwestern corn borer c. : southern cornstalk borer d. : granary weevil |