Cotton bollworm
General The cotton bollworm ( Helicoverpa armigera ) occurs in the tropics and sub-tropics of all continents except for North America. Larvae of the cotton [...] 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 in both sexes [...] When they reach the second instar, they can penetrate fruit through a small hole, often bored near the stalk. During development, the caterpillars damage