ABSTRACT Oil palm (Elaeis guineensis. Jacq) is a leading plantation commodity in Indonesia. The main problem in palm oil cultivation is the attack of the nettle caterpillar (Setora nitens. Walker). S. nitens attack can of producing plants and can reduce production by about 69%. The use of entomopathogenic bacteria Streptomyces sp. can be alternative to controlling nettle caterpillar S. nitens …