Mycotrol WPO - 1 lb/case of 12 - 1B99A02Mycotrol WPO is a mycoinsecticide, an insecticide using live fungal spores, and comes as a wettable powder to be mixed with water and sprayed during application. The active ingredient is Beauveria bassiana, which provides a natural control for a wide variety of insects at various life stages. Mycotrol WPO contains the highest spore concentration in a Beauveria bassiana containing insecticide. After application, the spores adhere to the host insect and