Helicoverpa zea, commonly known as the corn earworm, is a species of moth belonging to the family Noctuidae. It is primarily found in North America and is known for its larvae, which are pests of various crops, including corn, cotton, and tomatoes. The adult moths have a wingspan of about 3 to 4 centimeters and are typically brown or green with distinctive markings. The larvae of Helicoverpa zea can cause significant damage to agricultural plants by feeding on the fruit and leaves. Farmers often implement pest management strategies to control their populations, as they can lead to substantial economic losses. Understanding the life cycle and behavior of this pest is crucial for effective crop protection.