Entomopathogenic fungi, such as Beauveria bassiana and Metarhizium brunneum, are widely used as bio-insecticides in products like BotaniGard and Lalguard M52. These biopesticides are living organisms, and the spores need to be alive for the product to work. This video demonstrates an easy way that you can check if the biopesticide product contains viable spores using galleria moth larvae.
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