Entomopathgenic fungi are one of vital microorganisms to control pests and have potentials in biological control.

Entomogenous fungi constitute the largest taxonomic group of insect pathogens. They can usually lead to suppression of injurious insect populations in nature without any help from man.

After refrigeration and heating, the extract of AMP from the three kinds of insect retained their inhibitory activity against the plant pathogenic fungus.