1) Biological Control or Biocontrol. This method is using pests’ natural killers to destroy and control the outbreaks. For example, farmers used Chelisoches morio (Fabricius) and Krigrogramma waspto control and destroyed Brontispa longissima Gestrowhich ruined top of coconut trees. Farmers also maintained good environment for pest killers to live and propagate. This method is widely used to control Pultella xylostella, Trichoplusia ni, Spodopterasp, Heliothis armigera, and Leaf rolling centerpillar. The natural pest killers are Rove beetle, Parasite, Pthogen, fungi, Entomogenous nematode, etc.