ABSTRACT Oryctes rhinoceros L. is a major pest of Elaeis guineensis Jacq. which can reduce yield by 69% at the first harvest and cause 25% mortality in immature plants. Biological control using the fungus Metarhizium anisopliae (Metsch.) inoculated into compost can control the population of O. rhinoceros and can increase the growth of E. guineensis seedlings. This study aims to obtain the …