Principle WPWhen controlling thrips, aphids, whiteflies, and other damaging insects in ornamental, edible, and cannabis crop production, implementing biologicals can be difficult. PRINCIPLE WP insecticide puts all fears to rest, as its based on decades of technical knowledge gained from working with Beauveria bassiana. Combining our expertise with our new OMRI listed, resistance free formulation provides you with the ultimate solution for a successful IPM program.