Oil palm (Elaeis guinensis) plantation is one of the economic pillars of countries rich in biodiversity in tropical regions. In oil palm plantation, pests and diseases are the major problems  that cause low production in oil palm. Bagworm, Metisa plana (Lepidoptera: Psychidae) are the most  destructive pest in oil palm plantations in Malaysia, resulting in high yield losses of up to 43%  over two years after infestation. Therefore, this study was  aimed  to  examine  bagworm   infestations,  their  damaging  impacts  based  on bagworm stages, and the damages occurred in the  oil palm plantations in Felda Gunung Besout  2.  A  total  of  57  palm  trees  were   systematically  selected,  and  bagworm  and parasitoid  samples  were  collected  from  several   selected  areas  in  two  stages.  At  first stage, nine (9) fronds were randomly picked from each  tree. The severity of bagworm infestations was measured based on the severity sc.....

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