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Bionomik Vektor Malaria Nyamuk Anopheles sundaicus dan Anopheles letifer di Kecamatan Belakang Padang , Batam, Kepulauan Riau (Bio-Ecology of Malaria Vector Anopheles sundaicus and Anopheles letifer at Belakang Padang Sub-District, Batam, Riau Island)
Malaria continues to be a public health problem in the malaria endemic areas in Indonesia and often cause an outbreak. Batam municipality is the priority for development area in the Riau island Province, nevertheless malaria is still a public health problem. The national government and district office government have been committed to have a program for eliminating malaria at Batam area in year 2015. One of the malaria control program is the vector control measure. The failure of vector control is partly due to a lack of understanding of vector behavior in its epidemiological setting. The understanding of malaria vector species and its behavior will be useful to plan the vector control intervention. The study of bio-ecology of malaria vector is very important factor to understand its behavior and to formulate the vector control strtegy in Batam area. This study was carried out at Belakang Padang, Batam in 2008 using breeding habitat survey of Anopheles spp, measuring the pH, salinity and observation of breeding characteristics, mapping of breeding sites distribution using GPS and human landing collection inside as well as outside houses and ELISA for circumsporozoite. The results of the study revealed that, in the Belakang padang areas were found five natural breeding habitat of Anopheles spp. e.i: marshy areas, marshy with mangrove tree in the peripher, creek, mud-hole and water reservoir (water dam). Larvae of An. letifer and An sundaicus were found relatively higher number in the marshy areas, with characteristis of pH: 5-7,5, temperature 28-330C and salinity was 0-28 ‰. Only one species of anopheline An. sundaicus was found in the adult stage in Belakang Padang area, though An. letifer was found only in the larva stage. The biting activities of An. sundaicus throughout the night both indoors and outdoors, though the biting peak occured at 02.00-03.00 am. Both An sundaicus and An. letifer at Belakang Padang were susceptible to Bendiocarb 0,1% with mortality was 100%. The An. letifer also susceptible to deltamethrin 0.5% with the mortality 100%, therefore An. sundaicus showed a tolerant to deltamethrin 0.5% with mortality 93,3%. There was no positive from ELISA test.
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