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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 J
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