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Susceptibility Of Wild-Caught Lutzomyia Longipalpis (Diptera: Psychodidae) Sand Flies To Insecticide After An Extended Period Of Exposure In Western São Paulo, Brazil, Mikel A. González, Melissa J. Bell, Scott A. Bernhardt, Reginaldo P. Brazil, Erin Dilger, Orin Courtenay, James G. C. Hamilton
Susceptibility Of Wild-Caught Lutzomyia Longipalpis (Diptera: Psychodidae) Sand Flies To Insecticide After An Extended Period Of Exposure In Western São Paulo, Brazil, Mikel A. González, Melissa J. Bell, Scott A. Bernhardt, Reginaldo P. Brazil, Erin Dilger, Orin Courtenay, James G. C. Hamilton
Biology Faculty Publications
Background
In Brazil, members of the sand fly species complex Lutzomyia longipalpis transmit Leishmania infantum, a protist parasite that causes visceral leishmaniasis. Male Lu. longipalpis produce a sex pheromone that is attractive to both females and males. During a cluster randomised trial, to determine the combined effect of synthetic sex-aggregation pheromone and insecticide on Le. infantum transmission Lu. longipalpis had been continuously exposed to insecticide for 30 months. The objective of this study was to determine the effect of continuous exposure to the insecticides used in the trial on the susceptibility of Lu. longipalpis population.
Methods
During the trial …