Cotton bollworm
armigera ) occurs in the tropics and sub-tropics of all continents except for North America. Larvae of the cotton bollworm ( Helicoverpa armigera ) are [...] mm in length and have a wingspan of about 40 mm. The grey-green males are smaller. The forewings are edged with a line of black spots, and the hindwings [...] highly polyphagous, feeding on crops such as cotton, sorghum, tomato, sweet corn, beans, soybeans, tobacco, sunflowers and various fruit crops. Among greenhouse