Bollworm in Cotton Boll (image) University of Arizona Share Print E-Mail Caption Bollworm, Helicoverpa zea, is a pest of cotton. Credit Cotton Insect Corner. Usage Restrictions None Share Print E-Mail Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.