Insect growth regulatory effects of some extracts and sterols from Myrtillocactus geometrizans (Cactaceae) against Spodoptera frugiperda and Tenebrio molitor

Peniocerol 1 (R=H), macdougallin 2 (R=H), as well as mixtures and extracts, showed insecticidal and insect growth regulatory activities against Spodoptera frugiperda and Tenebrio molitor.