cotton bollworm

noun

1. corn earworm.

Word History and Origins

Origin of cotton bollworm¹

An Americanism dating back to 1865–70

Example Sentences

And "for some pests, such as cotton bollworm, refuge requirements have been abolished in large areas because Monsanto produced data suggesting natural refuges would be abundant enough," explains Yves Carrière of the University of Arizona.

From Scientific American

The strain has led to a reduction in the use of insecticide to control a major pest, the cotton bollworm.

From BBC