1.2 Armyworm Defoliation and feeding on squares, bolls or blooms. Fruit damage is similar to that of bollworm. Bollworm Feeding on fruit including squares, flowers or bolls. No resistance to currently recommended insecticides is known for bollworm in Missouri. Beneficial insects that control aphids feed on bollworm eggs and larvae late in thegrowing season.
Natural control is common.
0.6 Boll weevil Punctured squares and bolls either on the plant or on the ground. Punctures with plug indicates egg laying female. 0.25 Follow trapping information. This is an occasional pest in Missouri. Winter weather is often responsible for low infestation.