Culicidae Fauna, Biological Control of Dengue Vectors and Community Participation in Tropical Countries
GRIN Verlag, 2008 - 84 pages
Bachelor Thesis from the year 2008 in the subject Biology - Ecology, grade: 1,3, University of Heidelberg (Fakultat fur Biowissenschaften), 53 entries in the bibliography, language: English, abstract: Mosquito (Culicidae) fauna, biological methods to control Ae. aegypti larvae and community participation regarding the present dengue situation and vector control program were evaluated in Chulucanas district, Piura Department, Peru. The study included collection and identification of mosquito larvae in surrounding towns of and in Chulucanas city. Following mosquito species were found: Ae. aegypti, Ae. scapularis, Ae. serratus, An. albimanus, An. pseudopunctipennis, Cx. nigripalpus and Cx. pipiens quinquefasciatus. Two comparative residual effect tests with Bti-based Culinex Tab plus(r) and Temephos-based Temefar(r) 1%G were performed in large and small water volumes under laboratory conditions. In the tests with large water volumes, Temefar(r) 1%G and Culinex Tab plus(r) showed a residual effect of 9 weeks (100% and 75% mortality, respectively), and, in tests with small water volumes, a residual effect of 7 weeks (100% mortality for both larvicides). Three efficacy tests performed with Culinex Tab plus(r) at three houses in Chulucanas city under field conditions showed 100% mortality after 24 h of larvicide application. In connection with this tests, an adult person living in each house was interviewed regarding Bti- and Temephos-based larvicides, the present vector control program and community participation. Considering these interviews, a personal testimonial, other statistical social data such as poverty levels, socioeconomic indicators and one survey concerning approval of the present vector control program, it is concluded that lack of knowledge of handling with larvicides and low acceptation regarding present vector control activities may be the main causes for the dengue outbreak in June, 200
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Abiotic data aegypti larvae AFPMB Air temperature albimanus algae Altitude AMSL1 AMSL Anopheles assess residual effect Bacillus thuringiensis Becker breeding sites Bti-based Culinex Tab bucket Campanas Charanal Chulucanas city control recipient Culex Culex spp Culicidae Culinex Tab data and larval dengue dengue outbreak density of identified Department of Piura dip Ø district of Chulucanas dosage Efficacy test Epidemia fourth instar gauze-like tissue Geographical coordinates Gibbons and Vaughn green algae identified mosquito species instar large water volumes larvae collection larvae per dip larval density registered located malaria Mean Sea Level means Above Mean minas Morropón-Chulucanas Mortality rates mosquito control mosquito larvae mosquito species Ae nigripalpus Number of identified Number of larvae organophosphate Oropouche virus Paccha Peru plastic recipients pseudopunctipennis puddles Red de Salud region relative humidity residual effect tests rice field Salud Morropón Chulucanas scapularis serratus small water volumes species Cx stereomicroscope tap water Temephos-based larvicides vector control program Yapatera