description Old World bollworm Overview
Old World bollworm is the noctuid moth Helicoverpa armigera, described by Jacob Hübner in 1808. It is a highly polyphagous agricultural pest whose larvae feed on more than 180 plant species, including cotton, corn, tomatoes, peppers, soybeans, and small grains, and damage flowers, fruits, and cotton bolls from within. Adults are strong flyers and can migrate or be carried by wind, which complicates detection and containment. ([USDA APHIS](https://www.aphis.usda.gov/plant-pests-diseases/old-world-bollworm))
help Old World bollworm FAQ
What is the scientific name of the Old World bollworm?
The Old World bollworm is Helicoverpa armigera. Jacob Hübner described the species in 1808.
Which crops does the Old World bollworm attack?
Its larvae feed on more than 180 plant species, including cotton, corn, tomatoes, peppers, soybeans, and small grains. The larvae can damage flowers and developing plant parts.
Why is Helicoverpa armigera an important agricultural pest?
It is highly polyphagous, meaning its larvae can feed on many different plant species. This broad host range allows the Old World bollworm to affect several major crops, including cotton and tomatoes.
What life stage of the Old World bollworm causes crop damage?
The larvae cause most of the direct feeding damage. They attack flowers and other plant tissues across a wide range of crops.
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