ProFarm Grandevo WDG Insecticide, 6 lbs.Bioinsecticide for Modern Pest Management Grandevo WDG is a microbial based insecticide. Grandevo WDG 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. As part of a modern pest management program, Grandevo WDG can be used on a wide range of organic and conventional crops, including fruits, vegetables,