INDEKS ENTOMOLOGI DAN KERENTANAN LARVA Aedes aegypti TERHADAP TEMEFOS DI KELURAHAN KARSAMENAK KECAMATAN KAWALU KOTA TASIKMALAYA

Hubullah Fuadzy, Joni Hendri

Abstract


Abstrak

Salah satu upaya pengendalian vektor nyamuk Aedes aegypti adalah menggunakan larvasida sintetis seperti temefos. Pemanfaatan temefos secara terus menerus dan berulang merupakan faktor risiko terjadinya resistensi. Tujuan penelitian ini adalah untuk menentukan indeks entomologi dan status kerentanan larva Ae. aegypti terhadap temefos di Kelurahan Karsamenak Kecamatan Kawalu Kota Tasikmalaya. Jenis penelitian adalah eksperimen dengan rancangan acak lengkap. Populasi adalah larva nyamuk Ae. aegypti yang diperoleh dari 289 rumah penduduk di Kelurahan Karsamenak, dan sampel adalah 700 larva Ae. aegypti strain Karsamenak. Bioassay menggunakan metode Elliot dan Polson dengan konsentrasi diagnostik WHO sebesar 0,02 ppm. Hasil penelitian menunjukkan bahwa House Index (HI) 24,9; Container Index (CI) 9,05; Breteau Index (BI) 29,07; dan Density Figure (DF) 4. Larva Ae. aegypti umumnya ditemukan di Bak Mandi penduduk. Kemudian untuk membunuh 95% larva Ae. aegypti dibutuhkan konsentrasi temefos sebesar (LC95) 0,02416 ppm (0,01917 ­ 0,03330 ppm) dan RR95 3,02. Kelurahan Karsamenak termasuk wilayah yang potensial untuk penularan penyakit Demam Berdarah Dengue, dan larva Ae. aegypti terindikasi telah resisten terhadap temefos.

Kata Kunci : Resisten, Aedes aegypti, temefos, kerentanan

Abstract

One effort for controlling Aedes aegypti as dengue vector is using synthetic larvacide such as temephos. Utilization of temephos continuously and repeatedly a risk factor for resistance. The objective of this study were to determine the entomology index and susceptibility of Ae. aegypti larvae against temephos in endemic areas of dengue fever in the Karsamenak District Kawalu of Tasikmalaya. The research was a true experimental study with a complete randomized design. The population were the larvae of Ae. aegypti were derived from 289 houses of resident in the Village Karsamenak and the sample was 700 larvae of Ae. aegypti strains Karsamenak. The Bioassay used Elliot and Polson method with diagnostic dose 0,02 ppm (WHO). The results showed that House Index (HI) was 24.9, Container Index (CI) was 9.05, Breteau Index (BI) was 29.07, and Density Figure (DF) was 4. Larvae Ae. aegypti commonly found in the bathtub container. And then for killing 95% Ae. aegypti larvae, concentration temephos (LC95) 0.02416 ppm (0.01917 to 0.03330 ppm) and RR95 3.02 are needed. The Karsamenak including of potential site for Dengue Haemorhagic Fever transmition, and larvae of Ae. aegypti was indicated resistant to temphos.

Keywords : Resistance, Aedes aegypti, temephos, susceptibility


Keywords


Resistance, Aedes aegypti, temephos, susceptibility

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p-ISSN : 2085-868X

e-ISSN : 2354-8789

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Published by Balai Besar Penelitian dan Pengembangan Vektor dan Reservoir Penyakit (B2P2VRP) Salatiga, Badan Penelitian dan Pengembangan Kesehatan, Kementerian Kesehatan Republik Indonesia

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