Question

The microbial pesticide Beauveria bassiana is effective against.....

• A. caterpillar
• B. White flies
• C. Black flies
• D. Gypsy moth

Answer 1

The correct option is B White flies

• Beauveria bassiana is a fungus that grows naturally in soils throughout the world and acts as a parasite on various arthropod species, causing white muscardine disease; it thus belongs to the entomopathogenic fungi.
  
• It is being used as a biological insecticide to control a number of pests such as termites, thrips, whiteflies, aphids and different beetles.
  

So, the correct option is 'White flies'.