Anopheles larval survey have been conducted in mountain streams of Kokap Subdistrict, Kulonprogo regency, DIY. The main purpose of this survey was to determine Anopheles mosquitoes breeds in the stream and its as a potential of malaria transmission in Kokap. The results showed that during dry season malaria vector Anopheles macculatus, and other mosquitoes (An. balabcensis and An. flavirostris)…