Each wing cover is cream-colored and has three dark stripes that extend its length. A shorter lateral stripe ends at the middle of the wing in a small dot that resembles an exclamation point. Sunflower beetle adult. Sunflower beetle egg. Sunflower beetle larvae.
Pupae are similar in size to the adult and yellow in color.
Sharon D. Anderson, Director, Fargo, North Dakota. Distributed in furtherance of the Acts of Congress of May 8 and June 30, 1914.