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An unsettling explanation for the failure of skatole-baited ovitraps to capture Culex mosquitoes

Insect Science 2019年第5期26卷 873-880页

作者： Marcelo H.S.Paiva Rosangela M.R.Barbosa Suzane A.Santos Norma M.Silva Marcia B.Paula constancia f.j.ayres Walter S.Leal Depariamento de Entomologia Instituto Aggeu MagalhaesFundagao Oswaldo CruzAv. Professor Moraes RegoRecifePEBrazil CentroAcademicodoAgreste Universidade federalde Pernambuco CaruaruPEBrazil Departamentode Biologia Celular Embriologia e GeneticaCentro de Ciencias Biologicas Universidade Federal de Santa CatarinaFlorianopolisSC.Brazil faculdade de Saude PCiblica Departamento de Epidemiologia Universidade de Sao PauloSao PauloSPBrazil Department of Molecular and Cellular Biology University of California-DavisDavisCaliforniaUSA

Culex mosquitoes are primarily found in temperate and tropical regions worldwide where they play a crucial role as main vectors of filarial worms and arboviruses. In Recife, a northeast city in Brazil, high densities of Culex quinquefasciatus are often found in association with human populated areas. In marked contrast to another part of the city, field tests conducted in the neighborhood of Sitio dos Pintos showed that trapping of mosquitoes in skatole-baited ovitraps did not differ significantly from captures in control (water) traps. Thus, classical and molecular taxonomic approaches were used to analyze the Culex species circulating in Sitio dos Pintos. Results obtained from both approaches agreed on the cocirculation of Culex quinquefasciatus and Culex nigripalpus in three different areas of this neighborhood. What was initially considered as an unexpected failure of this lure turned out to be a more unsettling problem, that is, the first report in Recife of Culex nigripalpus, a vector of Venezuelan equine encephalitis virus and West Nile virus. Unplanned urbanization processes close to remnants of the Atlantic forest, such as observed in Sitio dos Pintos, may have contributed to the introduction of Cx. nigripalpus in urban areas.

关键词： Culex quinquefasciatus Culex nigripalpus dengue oviposition attractant skatole West Nile virus Zika

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Positive Predictive Value and Prevalence Analysis of Newborn Screening for Congenital Adrenal Hyperplasia in the Philippines

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第五届亚太地区新生儿筛查学术交流会

作者： Maria constancia O. Carrillo Sylvia C.Estrada Carmencita D.Padilla Institute of Human Genetics National Institutes of Health Manila Philippines Institute of Human Genetics National Institutes of Health Manila Philippines Institute of Human Genetics National Institutes of Health Manila Philippines

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