Malaria is still a public health problem in Tanjung Uban Health Center, Bintan regency, Kepulauan Riau. Annual Malaria Incidence (AMI) in Tanjung Uban Health Center in 2006 was reported 101.5‰. Though house spraying had been done in 2003-2006. The number of mosquitoes was still high based in entomology survey in July 2008-December 2008. The number of mosquitoes collection was as many as 2212 …