Efficacy and Ultrastructural Impact of Metarhizium anisopliae and Metarhizium robertsii on Myllocerus subfasciatus.

The ash weevil, Myllocerus subfasciatus, is a significant insect pest that infests brinjal. Both the adults and grubs feed on the leaves and roots, respectively, leading to considerable yield loss. The subterranean habits of the larvae limit the effectiveness of insecticide applications, necessitating the implementation of integrated pest management programs that utilize entomopathogenic fungi.