corn earworm
noun
corn ear·worm -ˈir-ˌwərm 
: a noctuid moth (Helicoverpa zea synonym Heliothis zea) whose large striped yellow-headed larva is especially destructive to corn, tomatoes, tobacco, and cotton bolls
Example Sentences
Recent Examples on the Web East of the Cascades: If necessary, spray for corn earworm as silking begins. 
oregonlive, 1 July 2021 Pests monitored: Pheromone lures are available for diamondback moths and moths that produce armyworms, cabbage loopers, corn earworms, European corn borers, tomato pinworms, and cutworms. The Editors Of Organic Life, Good Housekeeping, 18 Dec. 2017
oregonlive, 1 July 2021 Pests monitored: Pheromone lures are available for diamondback moths and moths that produce armyworms, cabbage loopers, corn earworms, European corn borers, tomato pinworms, and cutworms. The Editors Of Organic Life, Good Housekeeping, 18 Dec. 2017 Word History
First Known Use
1802, in the meaning defined above