Clover leaf weevil adults are approximately 5 to 10 mm long. They are brown colored with small gray, brown, and yellow scales giving it a mottled and striped appearance. Newly laid eggs are pale yellow,1 mm long and gradually darken to black as they near hatching. Larvae are green with a white strip down the center of their backs. The white stripe is bordered by pink or red smudges. Larvae have a brown head and reach 12 to 13 mm in length. The pupa is 5.5 to 7 mm long, yellow-green in color, and is enclosed in a cocoon.