Bacillus thuringiensis subsp. israelensis (strain AM65-52), VectoBac WDG (known in some markets as WG) is a water-dispersible granule formulation of Bacillus thuringiensis subsp. israelensis (strain AM65-52) for control of mosquito larvae. The product has a potency of 3,000 International Toxin Units (ITU) per milligram against Aedes aegypti larvae. It is designed for use in aqueous spray mixes and for direct application. VectoBac WDG was the first bacterial larvicide to complete the World Health Organization Pesticide Evaluation Scheme.
