Malaria is one infectious disease caused by plasmodium, which is transmitted from person to personthrough the bite of female Anopheles mosquitoes. Southwest Sumba including malaria-endemic areas withstrata High Case Incidence (HCI) with Annual Parasite Incidence (API) in 2009 at 24,89 °/00. Effort tocontrol malaria transmission has been done with the treatment of patients regardless of the aspect vector sothat the current has not shown significant results. Therefore entomology survey conducted to obtainpreliminary information about the fauna in the area of species Anopheles. The collection of landing datacollection method using bait people inside and outside the home and larval surveys in all potential breedingplaces. Fauna of the arrest and pre mature adult mosquitoes totaling nine species comprising An.barbirostris, An. maculatus, An. aconitus, An. annullaris, An. tesselatus, An. vagus. An. indefinitus, An.kochi and An. subpictus.