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Título: Wing variation in Culex nigripalpus (Diptera: Culicidae) in urban parks
Autor: CARVALHO, Gabriela Cristina deVENDRAMI, Daniel PagottoMARRELLI, Mauro ToledoWILKE, Andre Barretto Bruno
Citación: PARASITES & VECTORS, v.10, article ID 423, 8p, 2017
Resumen: Background: Culex nigripalpus has a wide geographical distribution and is found in North and South America. Females are considered primary vectors for several arboviruses, including Saint Louis encephalitis virus, Venezuelan equine encephalitis virus and Eastern equine encephalitis virus, as well as a potential vector of West Nile virus. In view of the epidemiological importance of this mosquito and its high abundance, this study sought to investigate wing variation in Cx. nigripalpus populations from urban parks in the city of Sao Paulo, Brazil. Methods: Female mosquitoes were collected in seven urban parks in the city of Sao Paulo between 2011 and 2013. Eighteen landmark coordinates from the right wing of each female mosquito were digitized, and the dissimilarities between populations were assessed by canonical variate analysis and cross-validated reclassification and by constructing a Neighbor-Joining (NJ) tree based on Mahalanobis distances. The centroid size was calculated to determine mean wing size in each population. Results: Canonical variate analysis based on fixed landmarks of the wing revealed a pattern of segregation between urban and sylvatic Cx. nigripalpus, a similar result to that revealed by the NJ tree topology, in which the population from Shangrila Park segregated into a distinct branch separate from the other more urban populations. Conclusion: Environmental heterogeneity may be affecting the wing shape variation of Cx. nigripalpus populations.
Aparece en las colecciones:

Artigos e Materiais de Revistas Científicas - IMT
Instituto de Medicina Tropical - IMT

Artigos e Materiais de Revistas Científicas - ODS/11
ODS/11 - Cidades e comunidades sustentáveis


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