Adult weevils feed on and lay eggs in developing cotton bolls. Both types of punctures will cause squares and small bolls to drop. The white, legless larva feeds and pupates within the square or boll.
Adult weevils spend the winter in ground trash near old cotton fields.
The entire life cycle of egg to adult can be completed in 3 weeks or less. The adult weevils have a snout and are about one-fourth inch long. They vary from reddish-brown to gray to almost black in color. A distinguishing feature is the presence of two spurs on the front femur of each leg. Growing Pains Associated with Adoption of Bollgard Technology into Current IPM Practicies in Oklahoma .