Marrone Bio Innovations Grandevo 6 lbsGRANDEVO 6 LBS, Grandevo bioinsecticide is a microbial based insecticide. It contains several active compounds that repel, stop feeding, reduce reproduction and induce mortality to prevent the development of damaging populations of sucking and chewing insects, flies and mites. Grandevo can be used on a wide range of organic and conventional crops, including fruits, vegetables, nuts and turf and ornamentals.