Cotton bollworm
caterpillars are often aggressive and cannibalistic. Pupation occurs in the soil, with pupae of 14 to 18 mm long, with a brown, smooth body surface. Adult [...] General The cotton bollworm ( Helicoverpa armigera ) occurs in the tropics and sub-tropics of all continents except for North America. Larvae of the cotton [...] smaller specimens. The fruits stop growing, mature rapidly, and drop off. In legumes, flowers are attacked, and seed pods may be pierced. Life cycle and