Abstract The study on mosquito diversity was conducted in Jagaraga Village, Buana Pemaca Subdistrict and Sukajaya Village, Buay Rawan Subdistrict of Ogan Komering Ulu Selatan Regency in 2017. This study aimed to analyze population density of mosquitoes, feeding habits and resting behavior of mosquito, and identify the types of potential /specific breeding habitat of mosquito larvae in OKU Selatan regency. Mosquitoes were collected during the night for 12 hours, started at 06.00 p.m. until 06.00 a.m. by human landing, resting, and cattle landing collection methods. The indoor density of mosquitoes ranged from 0.04-3.96 mosquitoes/person/hour with the highest density of 10,7 on Cx.tritaeniorhyncus. Species of mosquitoes collected in Sukajaya Village were more diverse than in Buana Pemaca Village. There were 12 species and the most dominant species was Cx. tritaeniorhyncus (68.09%), Breeding habitats were identified in rice fields, bricks pit, puddle marsh, and flow of rice fields. Abstrak Penelitian tentang keragaman nyamuk telah dilakukan Di Desa Jagaraga Kecamatan Buana Pemaca dan Desa Sukajaya Kecamatan Buay Rawan Kabupaten OKU Selatan pada tahun 2017. Penelitian ini bertujuan untuk mengetahui angka kepadatan populasi nyamuk yang tertangkap, menganalisis kebiasaan mencari makan danperilaku beristirahat masing-masing spesies nyamuk yang tertangkap serta mengetahui jenis-jenis habitat perkembangbiakan potensial bagi larva nyamuk yang ada di Kabupaten OKU Selatan. Penangkapan nyamuk dilakukan selama 12 jam dimulai dari pukul 18.00 WIB malam hingga pukul 06.00 pagi, menggunakan metode human landing collection, resting collection dan penangkapan di sekitar kandang ternak. Spesies nyamuk yang tertangkap 12 spesies dan yang paling dominan yaitu Culex tritaeniorhyncus(68,9%). Kepadatan nyamuk yang menggigit per orang per jam (MHD) di dalam rumah berkisar antara 0,04-3,96 ekor/orang/jam. Kepadatan rata-rata paling tinggi pada nyamuk Cx. tritaeniorhyncus 10,7 ekor. Habitat perkembangbiakan berupa sawah, lubang galian tanah liat untuk batu bata, kobakan, aliran sawah.
ABSTRACT Oreochromis niloticus is a type of fish that is a natural enemy of Anopheles mosquito larvae, a vector for transmitting malaria. This method can be used as an alternative tools and integrated with other malaria control methods. This study aims to compare the density of Anopheles larvae before and after the sowing of O. niloticus, and to empower the community to involve in biological malaria control by utilizing O. niloticus. This research is a Mixed Methods Research. Quantitative data collection is done with a quasi-design approach before-after design experiments. Qualitative data collection is carried out with in-depth interviews with District Health and Fisheries Service Offices and group discussions on the community of fish pond owners and communities living around abandoned ponds. The data from in-depth interviews and group discussions were analyzed thematically. Observation of Anopheles larvae density decreased after sowing O. niloticus into the pond. The results showed that health workers and the public strongly support biological malaria control activities using of O. niloticus. ABSTRAK Ikan nila merah merupakan salah satu jenis ikan yang menjadi musuh alami bagi larva nyamuk Anopheles yang merupakan vektor penular malaria sehingga dapat digunakan sebagai alternatif pengendalian malaria secara biologi. Penelitian ini bertujuan untuk membandingkan kepadatan larva Anopheles sebelum dan sesudah ditebar ikan nila merah, serta menggali informasi penerimaan masyarakat dalam pengendalian malaria dengan pemanfaatan ikan nila merah. Penelitian ini merupakan Mixed Methods Research. Pengumpulan data kuantitatif dilakukan dengan pendekatan rancangan kuasi eksperimen before-after design. Pengumpulan data kualitatif dilakukan dengan wawancara mendalam terhadap petugas Dinas Kesehatan dan Dinas Perikanan serta diskusi kelompok terhadap masyarakat pemilik kolam ikan dan masyarakat yang tinggal di sekitar kolam yang terbengkalai. Data hasil wawancara mendalam dan diskusi kelompok dilakukan analisis tematik. Pengamatan kepadatan larva Anopheles menunjukkan adanya penurunan setelah penebaran ikan nila merah ke kolam. Hasil penelitian menunjukkan bahwa petugas kesehatan maupun masyarakat sangat mendukung kegiatan pengendalian malaria secara biologi dengan pemanfaatan ikan nila merah.
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