Control of the tarnished plant bug, Lygus lineolaris (Palisot de Beauvois), with experimental insecticides, Regent® (class phenylpyrazole) applied at 0.038 - 0.05 lb AI/acre, Actara® (class thiamethaoxam) applied at 0.046 - 0.09 lb AI/acre, and Steward® (class indoxacarb) applied at 0.09 and 0.11 lb AI/acre was as good as or better than control obtained with the standard treatments Karate®, Monitor®, Vydate®, Orthene®, and Baythroid® applied at 0.028, 0.30, 0.25 to 0.33, 0.25 to 0.33, 0.03 lb AI/acre in various trials during 1998 and 1999. Regent, Actara, and Steward represent new classes of insecticide chemistry and will be useful in controlling tarnished plant bugs and in reducing resistance.