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 [...] 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 [...] Young caterpillars are yellowish-white to reddish-brown with dark spots. In later instars the head is mottled, and the body is marked with three prominent