This document discusses the fungus Metarhizium anisopliae, which infects over 200 species of insects. It is an entomopathogenic fungus that infects insect hosts by penetrating their exoskeleton and releasing toxic compounds, eventually killing the host. The fungus can be mass produced using various methods and formulations and is used as a biopesticide to control agricultural insect pests in an eco-friendly way. It poses no threat to humans or other animals. The document provides details on the taxonomy, life cycle, mass production methods, applications, and safety of M. anisopliae.