Bacillus thuringiensis var. israelensis (entomopathogen)

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ovitrap used for monitoring Aedes albopictus mosquitoes and treated with Bacillus thuringiensis var. israelensis granules (floating on the surface) in order to kill larvae emerging from eggs
Source: Wikimedia Commons

Bacillus thuringiensis var. israelensis (entomopathogen)

This variety is effective against Diptera larvae in water (e.g. mosquito and black fly larvae) and produces the toxins Cry4A, Cry4B, Cry11A, and Cyt1A. The strain has been used widely against mosquito larvae. Apart from environmental considerations it overcomes pesticide resistance in mosquitoes. For example, a water dispersible granule formulation (VectoBac WG) is commercially available and in some countries has been reviewed according to the World Health Organization Pesticide Evaluation Scheme and approved for use in finished drinking water.