Tarnished plant bug
Scientific name: Lygus lineolaris (Palisot de Beauvois)
Facts: Adults are oval, flattened and about 1/4 inch long. They are coppery-brown with whitish-yellow markings. Nymphs are similar but smaller. Lygus bugs feed on a wide variety of plants including cotton and alfalfa. They are sometimes pests. There are several similar related species.