Maggots is a biocide (PT18), larvicide in the form of water-soluble granulate. Only authorized as an insecticide to control fly larvae (farmyard manure, slurry, etc ...).
Viryl is a rodenticide intended for professional use only, intended for the control of rats and mice.
Bugster EC is a biocide for professional closed circuit use recognized for the control of flying and crawling insects.