Abstract Dengue hemorrhagic fever (DHF) and malaria are diseases that are spread through vector (Vector Borne Disease). which can be prevented by applying larvacides. One of plant showing function as a natural larvacide is fragrant pandan leaves (Pandanus amaryllifolius). The chemical contents in fragrant pandan leaves are polyphenols. https://www.freaknleather.com/product-category/engine-driven-welders/