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Evaluation of cultures of Saccharomyces cerevisae as baits for Triatoma dimidiata and Triatoma pallidipennis

DOI: 10.1590/S0074-02762007005000014

Keywords: triatomines, traps, control.

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Abstract:

we tested the attraction of triatoma dimidiata and t. pallidipennis to traps baited with yeast volatiles. two traps were simultaneously presented in opposite sides of an experimental arena. one trap presented a yeast culture in sucrose solution, while the other contained sucrose solution as control. a first experimental series was done without offering a central refuge for bugs. in a second series, one shelter where the insects could hide was offered and the traps were presented afterwards. in the first series, yeast baited traps attracted significantly more insects than control ones for both species. in the second series, t. pallidipennis was significantly attracted to yeast, whereas t. dimidiata was not attracted. the potential use of yeast baited traps for capturing these vectors of chagas disease is discussed.

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